{{Short description|Swedish ice hockey player (born 1994)}} {{Use mdy dates|date=December 2011}} {{Infobox ice hockey player | image = Sebastian Collberg Bridgeport.jpg | caption = Collberg with the Bridgeport Sound Tigers during the 2015-16 season | image_size = 230px | league = Current | team = Free agent | prospect_team = | prospect_league = | former_teams = Frölunda HC<br>Rögle BK<br>Timrå IK<br>Graz 99ers | position = Right wing | shoots = Right | height_ft = 5 | height_in = 11 | weight_lb = 181 | birth_date = {{Birth date and age|1994|02|23|mf=y}} | birth_place = Mariestad, Sweden | draft = 33rd overall | draft_year = 2012 | draft_team = Montreal Canadiens | career_start = 2010 }}

'''Erik Sebastian Collberg''' (born February 23, 1994) is a Swedish professional ice hockey right winger who is an unrestricted free agent. He was selected in the second round, 33rd overall, by the Montreal Canadiens in the 2012 NHL entry draft.

==Playing career==

===Mariestad=== Collberg practiced figure skating before starting to play youth hockey for his hometown team Mariestad BoIS HC.<ref>{{cite news|url=https://www.dn.se/sport/ishockey/konstakaren-som-blev-straffspecialist/|title=Konståkaren som blev straffspecialist|last=Fransson|first=Martin|work=Dagens Nyheter|language=Swedish|date=December 22, 2013|access-date=August 15, 2024}}</ref> Before having played in any of Sweden's major junior leagues Collberg made his senior debut for Mariestad during the 2007–08 season in Division 1—Sweden's third-tier league—in the playoffs for promotion to Sweden's second-tier league HockeyAllsvenskan, on March 8, 2008, two weeks after his 14th birthday, in a 3–4 overtime loss against Valbo HC.<ref>{{cite web|url=https://historical.stats.swehockey.se/online/40/90292/90292010/90292010_frame_default.htm|title=Valbo HC - Mariestad BoIS HC|work=Swedish Ice Hockey Association|language=Swedish|access-date=August 8, 2024}}</ref><ref>{{cite web|url=https://historical.stats.swehockey.se/cs/schemafacts_nyonline.asp?qsSerieId=90292&qsUseDivision=0&qsFromDate=2008-02-01&qsToDate=2008-04-30&qsLinkTitle=Game+Schedule&qsLayout=832&qsSeasonId=40&qsGameTitle=Playoff+2+till+Allsv%2E+kval|title=Playoff 2 till Allsv. kval|work=Swedish Ice Hockey Association|language=Swedish|access-date=August 8, 2024}}</ref><ref>{{cite web|url=https://historical.stats.swehockey.se/0708/html/poallsv2/page0041.html|title=Playoff 2 till Allsv. kval Team Mariestad BoIS HC|work=Swedish Ice Hockey Association|language=Swedish|access-date=August 8, 2024}}</ref><ref>{{cite news|url=https://www.expressen.se/sport/hockey/sebastian-16-hoppas-pa-ny-chans-i-kvall/|title=Sebastian, 16, hoppas på ny chans i kväll|last=Nilsson|first=Stefan|work=Expressen|language=Swedish|date=December 9, 2010|access-date=August 8, 2024}}</ref> After having been spotted by a Canadian coach Collberg was invited to travel to Toronto for a summer tournament together with Canada's best 14 year old players.<ref>{{cite news|url=https://sverigesradio.se/artikel/2068066|title=Bois-junior ska spela i Kanada|work=Sveriges Radio P4|language=Swedish|date=May 13, 2008|access-date=August 8, 2024}}</ref>

During the 2008–09 season, at age 14, Collberg debuted for Mariestad in the J18 Elit, scoring eight goals and eight assist for 16 points in 16 games, which was the highest point total for players under 15-years of age in the league. And in the J20 Elit, scoring four goals and four assists for eight points in 21 games, which was also the highest point total for players under 15-years of age in the league—Collberg being one of only two under 15 players appearing in the league, the other being Simon Erlandsson who played one game.<ref>{{cite web|url=https://www.eliteprospects.com/league/j20-elit/stats/2008-2009?age=u15|title=J20 Elit - 2008-2009|work=Eliteprospects|access-date=August 6, 2024}}</ref> During the season Collberg represented Västergötland's district team for players born 1993, winning gold at the 2008 U16 Scandinavium Cup, with Collberg scoring one goal and one assist in seven games.<ref>{{cite web|url=https://historical.stats.swehockey.se/0809/html/scandcup/default.html|title=U16 Scandinavium Cup|work=Swedish Ice Hockey Association|language=Swedish|access-date=August 5, 2024}}</ref> In the spring he joined Västergötland's 1993-team again in Rikspucken, a one-time tournament for junior players who became too old for TV-pucken when the Swedish Ice Hockey Association lowered the maximum age from 16 to 15.<ref>{{cite news|url=https://www.gp.se/sport/nu-slapps-rikspucken.459e45f2-a6d3-4c20-b251-8bd7475020a3|title=Nu släpps Rikspucken|last=Lindahl|first=Tomas B.|work=Göteborgs-Posten|language=Swedish|date=March 18, 2009|access-date=September 13, 2011}}</ref> As an under age player, Collberg tied sixth in scoring with seven goals, eleven points, in nine games,<ref>{{cite web|url=https://www.eliteprospects.com/league/rikspucken/stats/2008-2009|title=Rikspucken - 2008-2009|work=Eliteprospects|access-date=August 5, 2024}}</ref> as Västergötland finished eight in the tournament.<ref>{{cite news|url=https://www.ttela.se/sport/ungsport/bara-nara-for-vastgotar-i-rikscupen.71fd66ce-36c6-4fdc-92a9-090f85a77afa|title=Bara nära för västgötar i Rikscupen|last=Thuresson|first=Ulf|work=TTELA|language=Swedish|date=March 25, 2009|access-date=August 5, 2024}}</ref>

The following season in the 2009 TV-pucken Collberg finished tenth in the tournament in scoring with six goals, eleven points, in eight games,<ref>{{cite web|url=https://www.eliteprospects.com/league/tv-pucken/stats/2009-2010|title=TV-Pucken - 2009-2010|work=Eliteprospects|access-date=August 5, 2024}}</ref> as Västergötland finished 13th in the tournament. In the J18 Elit, Collberg scored twelve goals, 15 assist for 27 points in 15 games, and in the J20 Elit 24 goals, 14 assists for 38 points in 24 games, which was the most points by any player under 16-years of age.<ref>{{cite web|url=https://www.eliteprospects.com/league/j20-elit/stats/2009-2010?age=u16|title=J20 Elit - 2009-2010|work=Eliteprospects|access-date=August 6, 2024}}</ref> Collberg made his regular season debut as a 15-year old in Division 1, playing four games in total, Collberg scored one goal on February 17, 2010, in his debut, a 2–4 loss at Tingsryds AIF.<ref>{{cite web|url=http://sverigesradio.se/sida/artikel.aspx?programid=97&artikel=3451369|title=Förlust för BOIS i Småland|date=2010-02-18|work=Sveriges Radio P4|language=Swedish|access-date=2012-04-08}}</ref>

===Frölunda=== For the 2010–11 season Collberg signed with Frölunda HC to play for their junior organisation.<ref>{{cite web|url=https://hockeysverige.se/2010/07/02/frolunda-varvar-coffey|title=Frölunda värvar "Coffey"|last=Bodin|first=Uffe|date=2010-07-02|publisher=Hockeysverige.se|language=Swedish|access-date=2012-01-15}}</ref> His first appearance with the club came during the Junior European Trophy, where he led Frölunda to the championship title—scoring the game tying goal and later the game-winning goal in the shootout against Malmö in the final.<ref>{{cite web|url=http://www.nwt.se/sport/article756021.ece|title=Frölunda tog ett oväntat guld|last=Högkvist|first=Jenny|date=2010-08-22|work=Nya Wermlands-Tidningen|language=Swedish|access-date=2010-09-07|archive-date=March 5, 2012|archive-url=https://web.archive.org/web/20120305053905/http://www.nwt.se/sport/article756021.ece|url-status=dead}}</ref><ref>{{cite web|url=http://www.frolundaindians.com/sv/frolunda/nyheter/a-laget/frolunda-finalvann-mot-malmo/|title=Frölunda finalvann mot Malmö|last=Aronsson|first=Joachim|date=2010-08-22|publisher=Frölunda HC|language=Swedish|access-date=2010-09-07}}</ref> With six goals and one assist in five games he was selected to the tournament All-Star Team.<ref>{{cite web|url=http://www.hockeymagasinet.com/2010/08/22/j20-european-trophy-frolunda-turneringssegrare-efter-straffar/|title=J20 European Trophy: Frölunda turneringssegrare efter straffar|last=Millner|first=Alexander|date=2010-08-22|publisher=Hockeymagasinet|language=Swedish|access-date=2012-04-16}}</ref><ref>{{cite web|url=http://www.eliteprospects.com/awards.php?award=Junior%20European%20Trophy%20All-Star%20Team|title=Junior European Trophy All-Star Team|publisher=Elite Prospects|access-date=2012-04-16}}</ref> Collberg then joined the senior team as an extra player for a game against Tappara in the 2010 European Trophy.<ref>{{cite web|url=https://hockeysverige.se/2010/08/25/juniorerna-lyfte-frolunda|title=Juniorerna lyfte Frölunda|date=August 25, 2010|last=Bodin|first=Uffe|publisher=Hockeysverige.se|language=Swedish|access-date=August 10, 2024}}{{Dead link|date=December 2025 |bot=InternetArchiveBot }}</ref> Collberg made his senior debut in the Elitserien on September 30, 2010, as the then youngest player ever for Frölunda, and the then sixth youngest ever in the league.<ref>{{cite web|url=https://www.aftonbladet.se/sportbladet/a/Rx60O8/jag-blev-bade-chockad-och-glad|title=– Jag blev både chockad och glad|last=Ros|first=Tomas|website=Aftonbladet|date=September 30, 2010|access-date=August 5, 2024}}</ref> In total he appeared in five games in Elitserien, scoring no points.

During the autumn Collberg played just three games with the under 18 team in the J18 Elit, scoring two goals and six points. Frölunda finished third in the south division and qualified for J18 Allsvenskan, where Collberg played five games, scoring seven goals, ten points. Frölunda's J18 team finished second in the standings and were directly qualified for the quarter-finals where they faced Leksands IF in a best of three series. Frölunda lost the first game at Leksand, and when the series returned to Gothenburg Collberg who primarily played with the J20 team joined the J18 team, leading them to two wins at home and a place in the semi final. The semifinals and finals were played April 8–9 at the Ericsson Globe in Stockholm, Frölunda won their semifinal against Brynäs IF 4–3, and faced off against local Stockholm team Djurgårdens IF in the final, winning the game 2–1, Frölunda became Swedish Champions for under 18 year old's.<ref>{{cite web|url=https://historical.stats.swehockey.se/1011/pdf/J18SM/Results.pdf|title=Resultat säsongen 2010-11 J18 SM-slutspel|publisher=Swedish Ice Hockey Association|access-date=August 9, 2024}}</ref>

Collberg spent the majority of the season with the under 20 team in the J20 SuperElit—Sweden's premier junior league. In 35 games Collberg scored 21 goals, and 23 assist for a total of 44 points, surpassing Victor Rask as the then all-time high point total leader for a sixteen-year olds in the J20 SuperElit.<ref>{{cite web|url=https://www.eliteprospects.com/league/j20-nationell/stats/all-time-season?age=u17|title=All-Time Statistics|publisher=Elite Prospects|access-date=2012-04-26}}</ref> Frölunda finished fifth in the south division, and missed the Top 8 for the first time since its implementation for the 2005–06 season. Frölunda qualified for the playoffs by winning the south continuation series. In the eighth-final Frölunda faced Brynäs IF who finished last in the Top 8, Frölunda won the best of three series in two games after having won 11–0 at home and 5–2 on the road. In the quarter-finals Frölunda faced Rögle BK who were directly qualified after having finished fourth in the Top 8, Frölunda won their home game, lost the first game on the road but won the decisive game three in Ängelholm. The semifinals and finals were played April 9–10 at the Ericsson Globe in Stockholm, Frölunda won their semifinal against HV71 2–1. In the final Frölunda faced Skellefteå AIK, Skellefteå scored three goals in the first period, Frölunda tied the game in the second period and in the third while short-handed Collberg scored Frölunda's fourth goal,<ref name=J20Guld>{{cite web|url=https://hockeysverige.se/2011/04/10/jattevandning-gav-sm-guld|title=Jättevändning gav SM-guld|last=Bergman|first=Mårthen|date=April 10, 2011|publisher=Hockeysverige.se|language=Swedish|access-date=August 9, 2024|archive-date=August 9, 2024|archive-url=https://web.archive.org/web/20240809192909/https://hockeysverige.se/2011/04/10/jattevandning-gav-sm-guld|url-status=dead}}</ref> which turned out to be the championship clinching goal,<ref>{{cite web|url=https://www.eliteprospects.com/awards?name=J20+Nationell+Championship+Clinching+Goal|title=Awards - J20 Nationell Championship Clinching Goal|publisher=Eliteprospects|access-date=August 9, 2024}}</ref> and later scored Frölunda's fifth goal as well,<ref name=J20Guld/> the final score being 6–3 and Frölunda won the Anton Cup, awarded to the Swedish under 20 champions.<ref>{{cite web|url=https://historical.stats.swehockey.se/1011/pdf/J20SM/Results.pdf|title=Resultat säsongen 2010-11 J20 SM-slutspel|publisher=Swedish Ice Hockey Association|access-date=August 9, 2024}}</ref> In total, Collberg appeared in seven playoff games, scoring four goals and five assists. {{Easy CSS image crop|image=Sebastian Collberg Frölunda.jpg|desired_width=220|crop_left_perc=8|crop_right_perc=22|caption =Collberg playing for Frölunda HC|alt=}} For the 2011–12 season Collberg had earned a roster spot with Frölunda's men's team in Elitserien. He played one game in the 2011 European Trophy, scoring a goal in a 5–1 win over Adler Mannheim.<ref>{{cite news|url=https://www.aftonbladet.se/sportbladet/a/kaprgQ/frolundas-seger-kan-betyda-finalspel|title=Frölundas seger kan betyda finalspel|date=August 28, 2011|work=Aftonbladet|language=Swedish|access-date=August 19, 2024}}</ref> In January Collberg received the award for 2011's best male junior by ''Göteborgs-Posten''.<ref>{{cite web|url=https://www.gp.se/sport/sebastian-collberg-arets-herrjunior.a12c7e89-9026-4b57-a6db-e670cbd9f3b3|title=Sebastian Collberg – årets herrjunior|last=Pettersson Kymmer|first=Peter|date=January 12, 2012|work=Göteborgs-Posten|language=Swedish|access-date=May 6, 2012}}</ref> On February 4 Frölunda played a home game against Timrå IK, in the second period Timrå's Nichlas Torp delivered a blind-sided hit with his shoulder, away from the play, to Collberg's head. Collberg laid motionless on the ice for a few minutes before managing to get of the ice on his own. Collberg withstood the hit without suffering a concussion,<ref>{{cite web|url=http://www.hockeysverige.se/article/12816642/collberg-ar-okej|title=Collberg är okej|last=Bodin|first=Uffe|date=2012-02-05|publisher=Hockeysverige.se|language=Swedish|access-date=2012-02-12}}</ref> but was unable to continue playing in the game.<ref>{{cite web|url=https://www.dn.se/sport/ishockey/tackling-vande-matchen-for-frolunda/|title=Tackling vände matchen för Frölunda|last=Lundberg|first=Jakob|date=2012-02-04|work=Tidningarnas Telegrambyrå|publisher=Dagens Nyheter|language=Swedish|access-date=2012-02-12}}</ref><ref>{{cite web|url=http://www.hockeykanalen.se/1.2525054/2012/02/04/har_sanks_jvm_stjarna_av_torp_otroligt_korkat_gjort|title=Här sänks JVM-stjärna av Torp: "Otroligt korkat gjort"|last=Mälarberg|first=Apollonia|date=2012-02-04|work=TV4 Group|publisher=Hockeykanalen.se|language=Swedish|access-date=2012-02-12}}</ref> Torp received a match penalty for charging, and was later suspended for seven games, of which three were converted into a 21,000 SEK fine instead.<ref>{{cite web|url=http://hockeyligan.se/artikel/18264/|title=Totalt sju matchers avstängning för Torp|date=2012-02-08|publisher=Hockeyligan.se|language=Swedish|access-date=2012-02-12}}</ref><ref>{{cite web|url=http://www.gp.se/sport/ishockey/1.853306-torp-avstangd-fyra-matcher|title=Torp avstängd fyra matcher|last=Magné|first=Joakim|date=2012-02-08|work=Göteborgs-Posten|language=Swedish|access-date=2012-02-12}}</ref> In total Collberg appeared in 41 Elitserien games, averaging just under seven minutes of ice time per game, without registering any points.<ref>{{cite web|url=http://estat.hockeyligan.se/PDFReports/Elitserien_2011-2012_SamladSpelarstistik.pdf|title=Frölunda - Elitserien 2011/2012 - spelarstatistik|format=PDF|date=2012-04-08|publisher=Hockeyligan.se|language=Swedish|access-date=2012-04-08}}</ref> Collberg also played 21 regular season games in the J20 SuperElit, scoring nine goals and eight assists, and appeared in two playoff games without registering any points. Having only played one regular season game in J18 Allsvenskan, scoring one goal and one assist, Collberg joined the under 18 team for the playoffs, scoring three goals and three assist in four games, earning him the award as best forward in the playoffs,<ref>{{cite web|url=https://www.eliteprospects.com/awards/j20-nationell?name=J18+Best+U18+Forward |title=Awards - J18 Best U18 Forward|publisher=Eliteprospects|access-date=August 9, 2024}}</ref> as Frölunda won the bronze medal in the Swedish under 18 championships with a 4–2 win over Brynäs IF, where Collberg scored one goal.<ref>{{cite web|url=https://stats.swehockey.se/Game/Events/109678|title=Frölunda HC - Brynäs IF|publisher=Swedish Ice Hockey Association|access-date=August 9, 2024}}</ref>

On May 18, 2012, Collberg signed a one-year professional contract with Frölunda for the 2012–13 season.<ref>{{cite web|url=https://hockeysverige.se/2012/05/18/collberg-skriver-a-lagskontrakt|title=Collberg skriver A-lagskontrakt|last=Pettersson|first=Robert|date=May 18, 2012|publisher=Hockeysverige.se|language=Swedish|access-date=May 18, 2012}}</ref> On June 23, 2012, Collberg was selected in the second round, 33rd overall, by the Montreal Canadiens of the National Hockey League (NHL) in the 2012 NHL entry draft. Collberg scored his first point in Elitserien on September 22 in an away game against Färjestad, when he assisted Jari Tolsa on the game winning 2–3 goal.<ref>{{cite web|url=http://www.hockeysverige.se/article/13549024/vi-vill-s-mycket-att-det-lser-sig|title=Vi vill så mycket att det låser sig|last=Winther|first=Ola|date=2012-09-22|publisher=Hockeysverige.se|language=Swedish|access-date=2012-09-24}}</ref> Frölunda acquired Matt Duchene and Viktor Stålberg during the 2012–13 NHL lockout to replace injured players,<ref>{{cite web|url=https://hockeysverige.se/2012/11/20/det-ar-klart-att-jag-har-fatt-chansen|title="Det är klart att jag har fått chansen"|last=Bodin|first=Uffe|date=November 20, 2012|publisher=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810134017/https://hockeysverige.se/2012/11/20/det-ar-klart-att-jag-har-fatt-chansen|url-status=dead}}</ref> and after Collberg only having recorded two assists in 16 games to start the season, and struggling with getting ice time, Collberg was loaned to Örebro HK in the second tier HockeyAllsvenskan on October 23, 2012.<ref>{{cite web|url=https://hockeysverige.se/2012/10/23/orebro-lanar-frolundas-jvm-stjarna|title=Örebro lånar Frölundas JVM-stjärna|last=Pettersson|first=Robert|date=October 23, 2012|publisher=Hockeysverige.se|language=Swedish|access-date=August 9, 2024}}{{Dead link|date=December 2025 |bot=InternetArchiveBot }}</ref> Collberg scored in his first game with Örebro,<ref>{{cite web|url=https://hockeysverige.se/2012/10/23/fel-guldhjalte-avgjorde|title="Fel" guldhjälte avgjorde|last=Bodin|first=Uffe|date=October 23, 2012|publisher=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810134634/https://hockeysverige.se/2012/10/23/fel-guldhjalte-avgjorde|url-status=dead}}</ref> and in total scored six goals and two assists in 15 games. He was then, prior to the 2013 World Junior Ice Hockey Championships, loaned for one game to his hometown team Mariestad, scoring one goal and one assist in a 5–4 win over Vimmerby HC,<ref>{{cite web|url=https://stats.swehockey.se/Game/Events/112561|title=Vimmerby HC - Mariestad BoIS HC|publisher=Swedish Ice Hockey Association|access-date=August 9, 2024}}</ref> helping Mariestad secure a spot in the continuation series AllEttan Södra for the remainder of the season.<ref>{{cite web|url=https://hockeysverige.se/2012/12/11/collberg-jvm-forbereder-sig-med-spel-i-ettan|title=Collberg JVM-förbereder sig med spel i ettan|last=Pettersson|first=Robert|date=December 11, 2012|publisher=Hockeysverige.se|language=Swedish|access-date=August 9, 2024|archive-date=August 9, 2024|archive-url=https://web.archive.org/web/20240809214433/https://hockeysverige.se/2012/12/11/collberg-jvm-forbereder-sig-med-spel-i-ettan|url-status=dead}}</ref> After the 2013 World Junior Ice Hockey Championships Collberg returned to Frölunda and scored his first goal in Elitserien,<ref>{{cite news|url=https://www.gp.se/sport/ishockey/collberg-dansar-vidare-mot-nhl.49d765b1-f724-4846-ba9c-84105c614316|title=Collberg dansar vidare mot NHL|last=Rylander|first=Johan|work=Göteborgs-Posten|language=Swedish|date=June 16, 2013|access-date=August 10, 2024}}</ref> a game-winning goal in a shootout against Timrå IK's Daniel Bellissimo on January 15, 2013 in Scandinavium.<ref>{{cite web|url=https://hockeysverige.se/2013/01/15/dar-satt-den-collberg|title=Där satt den, Collberg!|last=Bodin|first=Uffe|date=January 15, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=August 11, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811010244/https://hockeysverige.se/2013/01/15/dar-satt-den-collberg|url-status=dead}}</ref> The following game on January 18 at Linköping HC Collberg scored his second goal on a penalty shot and his third goal, again a game winner in a shootout.<ref>{{cite web|url=http://www.gp.se/sport/ishockey/1.1226118-collberg-avgjorde-igen|title=Collberg avgjorde igen|last=Sköld|first=Johan|date=2013-01-18|work=Göteborgs-Posten|language=Swedish|access-date=2013-01-19}}</ref><ref>{{cite web|url=https://hockeysverige.se/2013/01/18/straffkungen-2|title=STRAFFKUNGEN|last=Karlsson|first=Måns|date=January 18, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=August 11, 2024}}{{Dead link|date=December 2025 |bot=InternetArchiveBot }}</ref> After having picked up an assist against Brynäs IF on January 22, Collberg for the third game in a row scored the game-winning goal in a shootout.<ref>{{cite web|url=http://www.gp.se/sport/ishockey/1.1238151-collberg-straffade-brynas-i-scandinavium|title=Collberg straffade Brynäs i Scandinavium - Ishockey - www.gp.se|last=Janlind|first=Fredrik|date=2013-01-22|work=Göteborgs-Posten|language=Swedish|access-date=2013-01-23}}</ref><ref>{{cite web|url=https://hockeysverige.se/2013/01/22/collbergs-straffshow-gar-vidare|title=Collbergs straffshow går vidare|last=Pettersson|first=Robert|date=January 22, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810005903/https://hockeysverige.se/2013/01/22/collbergs-straffshow-gar-vidare|url-status=dead}}</ref> Two days later again against Brynäs, Collberg scored his first non penalty shot goal in 5–2 win on the road.<ref>{{cite web|url=https://hockeysverige.se/2013/01/24/frolunda-slog-svagt-brynas|title=Frölunda slog svagt Brynäs|last=Bergman|first=Daniel|date=January 24, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=August 11, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811011519/https://hockeysverige.se/2013/01/24/frolunda-slog-svagt-brynas|url-status=dead}}</ref> Collberg signed a one-year contract extension on February 6, 2013.<ref>{{cite web|url=https://hockeysverige.se/2013/02/06/fyra-klara-for-frolunda|title=Fyra klara för Frölunda|last=Bodin|first=Uffe|date=February 6, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=February 6, 2013|archive-date=May 9, 2016|archive-url=https://web.archive.org/web/20160509204627/http://www.hockeysverige.se/2013/02/06/fyra-klara-for-frolunda/|url-status=dead}}</ref> Collberg collected his first playoff point with an assisted to Fabian Brunnström in a 2–0 win in game two against Luleå HF in the quarterfinals,<ref>{{cite web|url=https://stats.swehockey.se/Game/Events/158025|title=Frölunda HC - Luleå HF|publisher=Swedish Ice Hockey Association|access-date=August 11, 2024}}</ref> and his second point when he assisted Mathis Olimb on Fröllunda's 4–3 overtime winning goal 14:58 into the second overtime period of game four, which tied the best of seven series at 2–2.<ref>{{cite web|url=https://stats.swehockey.se/Game/Events/158033|title=Frölunda HC - Luleå HF|publisher=Swedish Ice Hockey Association|access-date=August 11, 2024}}</ref><ref>{{cite web|url=https://hockeysverige.se/2013/03/19/frolunda-vinnare-efter-superdrama|title=Frölunda vinnare efter superdrama|last=Pettersson|first=Robert|date=March 19, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=August 11, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811013533/https://hockeysverige.se/2013/03/19/frolunda-vinnare-efter-superdrama|url-status=dead}}</ref> Frölunda lost the following two games and were eliminated from the playoffs, Collberg missed the last game due to a concussion.<ref>{{cite web|url=https://hockeysverige.se/2013/04/05/collberg-undersoks-i-montreal|title=Collberg undersöks i Montréal|last=Bodin|first=Uffe|date=April 5, 2013|publisher=Hockeysverige.se|language=Swedish|access-date=August 11, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811021908/https://hockeysverige.se/2013/04/05/collberg-undersoks-i-montreal|url-status=dead}}</ref> In total Collberg appeared in 35 regular season Elitserien games, scoring six goals and three assists, and five playoff games registering two assists. He also played one regular season game and two playoff games in J20 SuperElit, without scoring any points. Collberg finished the season with the Montreal Canadiens' American Hockey League (AHL) affiliate the Hamilton Bulldogs on a try-out,<ref>{{cite web|url=https://www.rds.ca/hockey/canadiens/collberg-a-l-essai-a-hamilton-1.606382|title=Collberg à l'essai à Hamilton|date=April 7, 2013|publisher=Réseau des sports|language=French|access-date=August 10, 2024}}</ref> playing two games without ending up on the score sheet.

Collberg signed a three-year entry level contract with the Montreal Canadiens on May 21, 2013,<ref>{{cite web|url=http://canadiens.nhl.com/club/news.htm?id=671505|title=Canadiens sign forward Sebastian Collberg to a three-year contract|date=2013-05-21|publisher=Montreal Canadiens|access-date=2013-06-03}}</ref> with the intention of Collberg staying in Sweden and honouring his contract with Frölunda.<ref>{{cite web|url=https://www.gp.se/sport/collberg-har-skrivit-kontrakt-med-montreal.329af0a8-58d7-448a-a7a1-6d2cb328d68d|title=Collberg har skrivit kontrakt med Montreal|last=Wikström|first=Sanna|date=May 21, 2013|work=Göteborgs-Posten|language=Swedish|access-date=June 3, 2013}}</ref> Collberg was troubled by a knee injury and missed most of Frölunda's pre-season games.<ref>{{cite news|url=https://www.gp.se/sport/ishockey/ronnberg-kraver-hardare-jobb.a94b269e-d0a4-45f5-a5b9-900f94f5f641|title=Rönnberg kräver hårdare jobb|last=Rylander|first=Johan|date=August 23, 2013|work=Göteborgs-Posten|language=Swedish|access-date=August 11, 2024}}</ref> He attended the Canadiens' main training camp, playing three pre-season games he recorded one assist, before returning to Frölunda.<ref>{{cite news|url=https://www.gp.se/sport/ishockey/collberg-tillbaka-till-frolunda.3706ff18-39ca-498c-913e-f65a6bfdd1e8|title=Collberg tillbaka till Frölunda|last=Steffensen|first=Bo|date=September 22, 2013|work=Göteborgs-Posten|language=Swedish|access-date=August 11, 2024}}</ref> With former national junior team head coach Roger Rönnberg—who had coached Collberg in both the 2012 and 2013 World Junior Ice Hockey Championships—taking over as head coach of Frölunda for the 2013–14 season, many believed Collberg would have a breakthrough season at professional level.<ref name=Rönnberg>{{cite news|url=https://www.expressen.se/gt/sport/collbergs-axel-ar-ur-led-for-andra-gangen-9/|title=Collbergs axel är ur led - för andra gången|last=Nilsson|first=Stefan|date=March 22, 2014|work=Expressen|language=Swedish|access-date=August 11, 2024}}</ref> He did however not manage to fully convince and had a "choppy season",<ref name=Rönnberg/> troubled by a concussion during the winter,<ref name=Rönnberg/> Collberg scored three goals and six assists in 40 regular season games, and only played one playoff game before dislocating his shoulder, missing the rest of the playoffs.<ref name=Rönnberg/><ref>{{cite news|url=https://www.gp.se/sport/ishockey/collberg-skadad-slutspelet-i-fara.8fb6b517-e6e4-40e2-9b8d-0651687fe8a0|title=Collberg skadad – slutspelet i fara|last=Janlind|first=Fredrik|date=March 22, 2014|work=Göteborgs-Posten|language=Swedish|access-date=August 11, 2024}}</ref> At age 19 he was in his final year of junior eligibility and only played three games in the J20 SuperElit, scoring five goals and one assist, and one playoff game where he had one assist. On March 5, 2014, the Montreal Canadiens traded Collberg and a conditional 2nd round pick in the 2014 NHL entry draft to the New York Islanders in exchange for left winger Thomas Vanek and a conditional 5th round pick in the 2014 NHL Entry Draft.<ref>{{cite web|url=http://www.cbc.ca/sports/hockey/nhl/thomas-vanek-dealt-to-canadiens-from-islanders-1.2561321|title=Thomas Vanek dealt to Canadiens from Islanders|author=Doug Harrison|publisher=CBC|date=March 5, 2014|access-date=March 5, 2014}}</ref>

===Bridgeport=== After having a shoulder surgery during the summer Collberg joined the New York Islanders in hopes of making their NHL roster,<ref>{{cite web|url=https://sverigesradio.se/artikel/5972599|title=Collberg nätade för New York Islanders|date=September 23, 2014|publisher=Sveriges Radio|language=Swedish|access-date=August 15, 2024}}</ref> during the pre-season he scored a goal in his first game, a 3–2 overtime win against the Ottawa Senators on September 22, 2014.<ref>{{cite web|url=https://hockeysverige.se/2014/09/23/collberg-malskytt-i-debuten-for-islanders|title=Collberg målskytt i debuten för Islanders|last=Bodin|first=Uffe|date=September 23, 2014|publisher=Hockeysverige.se|language=Swedish|access-date=August 15, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811021910/https://hockeysverige.se/2014/09/23/collberg-malskytt-i-debuten-for-islanders|url-status=dead}}</ref> Collberg started the 2014–15 season with the Islanders AHL affiliate the Bridgeport Sound Tigers, he scored one goal and one assist in his first three games before suffering a groin injury on October 25,<ref name=ctpost>{{cite web|url=https://www.ctpost.com/sports/article/Sound-Tigers-Collberg-ready-to-put-ill-fortune-6101880.php|title=Sound Tigers' Collberg ready to put ill fortune behind him|last=Fornabaio|first=Michael |date=February 25, 2015|publisher=Connecticut Post|access-date=August 15, 2024}}</ref> which kept him out of play until November 21.<ref name=echl>{{cite web|url=https://hockeysverige.se/2014/12/03/collberg-far-ta-klivet-ned-skickas-till-echl|title=Collberg får ta klivet ned – skickas till ECHL|last=Bodin|first=Uffe|date=December 3, 2014|publisher=Hockeysverige.se|language=Swedish|access-date=August 15, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811023417/https://hockeysverige.se/2014/12/03/collberg-far-ta-klivet-ned-skickas-till-echl|url-status=dead}}</ref> He got praised early on by Bridgeport's head coach Brent Thompson saying "His speed is dynamic. He's coachable. He's got really good defensive awareness."<ref>{{cite web|url=https://www.ctpost.com/sports/article/Promising-Collberg-back-on-ice-with-Sound-Tigers-5886253.php|title=Promising Collberg back on ice with Sound Tigers|last=Fornabaio|first=Michael |date=November 11, 2014|publisher=Connecticut Post|access-date=August 15, 2024}}</ref> Returning from his injury Collberg struggled offensively, and after not having produced any points for seven straight games he was sent down to the Stockton Thunder of the East Coast Hockey League (ECHL) on December 3.<ref name=echl/> With Stockton Collberg found his confidence and scoring touch,<ref>{{cite web|url=https://www.ctpost.com/sports/article/Sound-Tiger-Collberg-found-confidence-in-Stockton-5984013.php|title=Sound Tiger Collberg found confidence in Stockton stint|last=Fornabaio|first=Michael|date=December 29, 2014|publisher=Connecticut Post|access-date=August 15, 2024}}</ref> after having scored four goals and three assists in six games Collberg was called back up to Bridgeport on December 20.<ref>{{cite web|url=https://hockeysverige.se/2014/12/20/collberg-tillbaka-i-ahl-efter-leverans-i-echl|title=Collberg tillbaka i AHL efter leverans i ECHL|last=Pettersson|first=Robert|date=December 20, 2014|publisher=Hockeysverige.se|language=Swedish|access-date=August 15, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811023413/https://hockeysverige.se/2014/12/20/collberg-tillbaka-i-ahl-efter-leverans-i-echl|url-status=dead}}</ref> In his first game back with Bridgeport Collberg scored one goal in a 2–0 win against the Providence Bruins on December 26,<ref>{{cite web|url=https://hockeysverige.se/2014/12/27/tillbaka-i-ahl-som-malskytt-for-forsta-gangen-sedan-oktober|title=Tillbaka i AHL som målskytt – för första gången sedan oktober|last=Winther|first=Ola|date=December 27, 2014|publisher=Hockeysverige.se|language=Swedish|access-date=August 15, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811023414/https://hockeysverige.se/2014/12/27/tillbaka-i-ahl-som-malskytt-for-forsta-gangen-sedan-oktober|url-status=dead}}</ref> and followed it up the next day with one goal and one assist in a 5–0 win against the Wilkes-Barre/Scranton Penguins.<ref>{{cite web|url=https://hockeysverige.se/2014/12/28/nu-svanger-det-om-collberg-igen|title=Nu svänger det om Collberg igen|last=Winther|first=Ola|date=December 28, 2014|publisher=Hockeysverige.se|language=Swedish|access-date=August 15, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811023418/https://hockeysverige.se/2014/12/28/nu-svanger-det-om-collberg-igen|url-status=dead}}</ref> Collberg had six points in eight games after returning to Bridgeport,<ref name=ctpost/> before suffering a minor injury which kept him out of play for two games, and then after a brief four game stint falling into the boards during a game against the Portland Pirates on January 23,<ref name=ctpost/> which kept him out for over a month again. Collberg didn't score his next goal until March 7, the game-winning goal in a 4–3 win against the Worcester Sharks, where he also had an assist in the game.<ref>{{cite web|url=https://hockeysverige.se/2015/03/08/forsta-malet-under-2015-da-blev-collberg-matchvinnare|title=Första målet under 2015 – då blev Collberg matchvinnare|last=Winther|first=Ola|date=March 8, 2015|publisher=Hockeysverige.se|language=Swedish|access-date=August 15, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811023414/https://hockeysverige.se/2015/03/08/forsta-malet-under-2015-da-blev-collberg-matchvinnare|url-status=dead}}</ref> In total, Collberg scored four goals and 14 assist for a total of 18 points in 43 games. Bridgeport finished last in the Northeast Division, and did not qualify for playoff contention.

For the 2015–16 season, Collberg again didn't make the cut for the Islanders' NHL roster and was assigned to Bridgeport.<ref>{{cite web|url=https://www.ctpost.com/sports/article/Islanders-assign-most-of-Sound-Tigers-team-to-6531864.php|title=Islanders assign most of Sound Tigers team to Bridgeport|last=Fornabaio|first=Michael|date=September 26, 2015|publisher=Connecticut Post|access-date=August 15, 2024}}</ref> After having been a healthy scratch to start the season due to an abundance of right wingers, Collberg played only two games before getting injured which made him miss five games.<ref>{{cite web|url=https://www.ctpost.com/sports/article/Staying-healthy-just-part-of-the-goal-for-Sound-6623396.php|title=Staying healthy just part of the goal for Sound Tigers’ Collberg|last=Fornabaio|first=Michael|date=November 10, 2015|publisher=Connecticut Post|access-date=August 15, 2024}}</ref> He scored his first goal of the season in a 4–0 win against the Springfield Falcons on November 7,<ref>{{cite web|url=https://theahl.com/stats/game-center/1014837 |title=Game #: 146 Saturday, November 07, 2015|date=November 7, 2015|publisher=American Hockey League|access-date=August 15, 2024}}</ref> and his second goal on November 11 in a 4–3 win over the Providence Bruins.<ref>{{cite web|url=https://theahl.com/stats/game-center/1014855 |title=Game #: 164 Wednesday, November 11, 2015|date=November 11, 2015|publisher=American Hockey League|access-date=August 15, 2024}}</ref> After having scored an empty net goal on December 6,<ref>{{cite web|url=https://theahl.com/stats/game-center/1015012 |title=Game #: 321 Sunday, December 06, 2015|date=December 6, 2015|publisher=American Hockey League|access-date=August 15, 2024}}</ref> Collberg had trouble keeping a spot on the roster after Christmas,<ref name="calder">{{cite web|url=https://www.ctpost.com/soundtigers/article/Sound-Tigers-Collberg-finds-his-game-in-7379579.php|title=Sound Tigers’ Collberg finds his game in playoffs|last=Fornabaio|first=Michael|date=April 27, 2016|publisher=Connecticut Post|access-date=August 15, 2024|archive-date=August 15, 2024|archive-url=https://web.archive.org/web/20240815112916/https://www.ctpost.com/soundtigers/article/Sound-Tigers-Collberg-finds-his-game-in-7379579.php|url-status=dead}}</ref> and from January 16 he only played in 13 of Bridgeport's last 36 games of the regular season.<ref name=calder/> He finished the regular season with a record of three goals and seven assist in 42 regular season games. In the 2016 Calder Cup playoffs Colllberg had a resurgence in his game,<ref name=calder/> but went scoreless when Bridgeport were eliminated in three games in the best of five division semifinals against the Toronto Marlies.<ref name=calder/>

===Back to Sweden=== On May 13, 2016, the New York Islanders placed Collberg on unconditional waivers in order to terminate the final year of his contract.<ref>{{cite web|url=https://hockeysverige.se/2016/05/13/nhl-klubben-pa-vag-att-bryta-med-svensken|title=NHL-klubben på väg att bryta med svensken|last=Bodin|first=Uffe|publisher=Hockeysverige.se|date=May 13, 2016|access-date=August 16, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811021910/https://hockeysverige.se/2016/05/13/nhl-klubben-pa-vag-att-bryta-med-svensken|url-status=dead}}</ref> He then returned to Sweden for the 2016–17 season, signing a two-year contract with Rögle BK of the SHL.<ref>{{cite web|url=https://hockeysverige.se/2016/05/16/tidigare-jvm-stjarnan-collberg-vill-ocksa-fa-ett-lyft-i-rogle|title=Tidigare JVM-stjärnan Collberg vill också få ett lyft i Rögle|last=Pettersson|first=Robert|publisher=Hockeysverige.se|date=May 16, 2016|access-date=August 16, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811021909/https://hockeysverige.se/2016/05/16/tidigare-jvm-stjarnan-collberg-vill-ocksa-fa-ett-lyft-i-rogle|url-status=dead}}</ref> With Rögle's general manager Anders Carlsson stating that they recruited him as their sniper, hoping they could get Collberg to reach his potential from juniors at the senior level.<ref>{{cite news|url=https://www.aftonbladet.se/sportbladet/hockey/a/MgmE1B/collberg-vander-hem-klar-for-rogle|title=Collberg vänder hem - klar för Rögle|last=Rosén|first=Robert|work=Aftonbladet|date=May 16, 2016|access-date=August 16, 2024}}</ref> Collberg choose Rögle who were newcomers in the SHL the season prior, hoping to get a more offensive role than he could get with his former team Frölunda,<ref name=vf>{{cite web|url=https://hockeysverige.se/2016/06/04/rogle-klubben-som-far-fart-pa-tidigare-juniorstjarnor-kanske-kan-fa-en-utveckling-som-cehlin-och-wannstrom|title=Rögle – klubben som får fart på tidigare juniorstjärnor: "Kanske kan få en utveckling som Cehlin och Wännström"|last=Rönnkvist|first=Ronnie|publisher=Hockeysverige.se|date=June 4, 2016|access-date=August 16, 2024|archive-date=August 11, 2024|archive-url=https://web.archive.org/web/20240811021912/https://hockeysverige.se/2016/06/04/rogle-klubben-som-far-fart-pa-tidigare-juniorstjarnor-kanske-kan-fa-en-utveckling-som-cehlin-och-wannstrom|url-status=dead}}</ref> who were reigning Swedish Champions, and have a similar career resurrection as his former teammates from the national junior team Patrick Cehlin and Sebastian Wännström who choose Rögle the season before.<ref name=vf/> Collberg scored six goals and seven assists in 45 games, Rögle struggled during the season and finished 13th in the standings, second to last, which forced them to play in the 2017 SHL qualifiers to defend their SHL status. Rögle won the best of seven series against their opponent BIK Karlskoga from HockeyAllsvenskan in four games and qualified for the SHL the following season, with Collberg scoring one goal and two assists.

During the 2017–18 season, just one game after Cam Abbott had taken over as head coach of Rögle midway through the season Collberg got a cut from a skate blade on his thigh and was out injured for over a month.<ref name=timrå>{{cite web|url=https://hockeysverige.se/2018/10/18/sebastian-collberg-pa-uppgang-i-shl|title=Ett tidigare storlöfte på uppgång i SHL: "Har varit en liten börda att komma och spela matcherna"|last=Rönnkvist|first=Ronnie|publisher=Hockeysverige.se|date=October 18, 2018|access-date=August 17, 2024}}</ref> Shortly after having healed from his injury he suffered a season ending injury when he broke his wrist during a game on February 1, 2018, against Brynäs IF.<ref>{{cite web|url=https://hockeysverige.se/2018/02/02/rogles-skadesmall-forwarden-missar-resten-av-sasongen|title=Rögles skadesmäll – forwarden missar resten av säsongen|last=Ekholm|first=Peter|publisher=Hockeysverige.se|date=February 2, 2018|access-date=August 16, 2024}}</ref> In total Collberg scored four goals and five assist in 35 games. Having not had the breakout he nor Rögle had hoped for during his two seasons with them,<ref>{{cite web|url=https://hockeysverige.se/2018/04/24/sebastian-collberg-timra|title=Lyftet uteblev i Rögle – nu flyttar tidigare juniorstjärnan norrut|last=Bodin|first=Uffe|date=April 24, 2018|publisher=Hockeysverige.se|access-date=August 17, 2024}}</ref> Collberg signed a two-year contract with Timrå IK who had just earned promotion to the SHL for the 2018–19 season.<ref>{{cite news|url=https://www.aftonbladet.se/sportbladet/hockey/a/0Eld5M/han-blir-timras-fjarde-nyforvarv|title=Han blir Timrås fjärde nyförvärv|last=Björck|first=Johan|date=April 24, 2018|work=Aftonbladet|access-date=August 17, 2024}}</ref> Collberg had a flying start with Timrå, scoring their first goal of the season, and stood noted for four goals and one assist after eight games,<ref name=timrå/> and just 13 games into the season he had tied his previous seasons point total at nine points.<ref name=hockeynews>{{cite web|url=https://hockeynews.se/nyheter/sebastian-collberg-tror-jag-gick-ner-mig-valdigt-mycket-i-ar|title=Sebastian Collberg: "Tror jag gick ner mig väldigt mycket i år"|last=Hägglund|first=Johannes|date=June 16, 2019|publisher=Hockeynews.se|access-date=August 17, 2024}}</ref> Collberg suffered a knee injury and had to leave the ice during a game against Mora IK on November 15,<ref>{{cite news|url=https://www.allehanda.se/2018-11-15/timraforwarden-klev-av-skadad-vet-inte-vad-som-hande|title=Timråforwarden klev av skadad: "Vet inte vad som hände"|last=Engström|first=Jennifer|date=November 15, 2018|work=Örnsköldsviks Allehanda|access-date=August 17, 2024}}</ref> the injury kept troubling him the following weeks and his production sharply dropped,<ref name=hockeynews/> his last point of the season was an assist on December 19 and by January he had already missed six games.<ref>{{cite web|url=https://hockeysverige.se/2019/01/15/sebastian-collberg-pa-vag-tillbaka-efter-skadan|title=Timråforwarden på väg tillbaka i spel efter skadan: "Vi skyndar långsamt"|last=Kågström|first=Rasmus|date=January 15, 2019|publisher=Hockeysverige.se|access-date=August 17, 2024}}</ref> The injury kept reappearing and he finished the regular season only having played 37 out of the 52 regular season games, scoring seven goals and four assists. Timrå as newcomers in the league finished 14th in the standings, which forced them to play in the 2019 SHL qualifiers to defend their SHL status. Timrå lost the best of seven series against IK Oskarshamn from HockeyAllsvenskan in the decisive game seven, and were thus relegated to HockeyAllsvenskan for the next season. Collberg played in five of the seven qualifying games, without registering any points. Having one year left on his contract with Timrå Collberg opted to use an out clause after they were relegated.<ref>{{cite web|url=https://www.st.nu/artikel/forwarden-lamnar-timra-efter-degraderingen-klar-for-lag-i-osterrike|title=Forwarden lämnar Timrå efter degraderingen – klar för lag i Österrike|last=Nilsson|first=Alexander|date=April 29, 2019|work=Sundsvalls Tidning|access-date=August 17, 2024}}</ref>

===Austria and Germany=== For the 2019–20 season Collberg signed a one-year contract with Austrian club Graz 99ers of the Erste Bank Eishockey Liga (EBEL).<ref>{{cite web|url=https://hockeysverige.se/2019/04/29/har-ar-sebastian-collbergs-nya-klubb|title=Här är Sebastian Collbergs nya klubb|last=Karlsson|first=Måns|date=April 29, 2019|publisher=Hockeysverige.se|access-date=August 16, 2024}}</ref> One of Collberg first appearances with Graz was an away game against his former team Frölunda in the 2019–20 Champions Hockey League tournament. Collberg scored one goal in the first period, and later one goal on a penalty shot in the shootout which resulted in a surprising 6–5 victory for Graz.<ref>{{cite web|url=https://hockeysverige.se/2019/08/30/svenskens-klubbval-kritiseras-av-experten|title=Svenskens klubbval kritiseras - av experten|last=Karlsson|first=Måns|date=August 30, 2019|publisher=Hockeysverige.se|access-date=August 16, 2024}}</ref> The win was Graz's only win in the group stage and they finished last in their group after six games played and did not qualify for the round of 16 in the playoffs. Collberg appeared in four games through the tournament scoring one goal. During the EBEL regular season Collberg was again troubled by injures, missing seven weeks at the start of the season with an elbow injury, and another six weeks to a finger injury in December.<ref name=löwen>{{cite web|url=https://hockeysverige.se/2020/06/18/sebastian-collberg-alla-kan-inte-bli-stjarnor-i-nhl|title=Alla kan inte bli stjärnor i NHL|last=Kågström|first=Rasmus|date=June 18, 2020|publisher=Hockeysverige.se|access-date=August 19, 2024}}</ref> In total Collberg appeared in 27 regular season games, scoring four goals and nine assist. In the playoffs Graz were trailing Vienna Capitals one game to two when the playoffs were canceled due to the COVID-19 pandemic,<ref>{{cite news|url=https://www.derstandard.at/story/2000115589421/ebel-viertelfinali-am-dienstag-abgesagt|title=Kein Meister 2020: EBEL-Saison vorzeitig beendet|date=March 10, 2020|work=Der Standard|access-date=August 16, 2024}}</ref> Collberg had no points in the three playoff games.

For the 2020–21 Collberg signed a with Löwen Frankfurt of the German second-tier league Deutsche Eishockey Liga 2 (DEL2),<ref name=frankfurt>{{cite web|url=https://hockeysverige.se/2020/06/17/skrallen-tidigare-stortalangen-till-tyska-andraligan|title=Skrällen: Tidigare stortalangen till tyska andraligan|last=Karlsson|first=Måns|date=June 17, 2020|publisher=Hockeysverige.se|access-date=August 16, 2024}}</ref> Frankfurt acquired Collberg in their push to reach the top tier DEL, since it was the first season in 15 years that promotion and relegation was allowed again.<ref name=löwen/> During the regular season Collberg scored 13 goals and 22 assists for a total of 35 points in 39 games, as Frankfurt finished fifth in the league. In the playoffs Collberg scored four goals and one assist in five games as Frankfurt lost two games to three in the quarterfinals against the eventually qualification playoff winners Bietigheim Steelers.

===Back to Sweden, again=== For the 2021–22 season Collberg returned to Sweden, signing a two-year contract with BIK Karlskoga in HockeyAllsvenskan.<ref>{{cite web|url=https://hockeysverige.se/2021/05/27/sebastian-collberg-atervander-till-sverige|title=Sebastian Collberg återvänder till Sverige|last=Karlsson|first=Måns|date=May 27, 2021|publisher=Hockeysverige.se|access-date=August 16, 2024}}</ref> He got injured during practice before the regular season started and made his season debut on November 17, having missed the first 15 games of the season.<ref>{{cite web|url=https://hockeysverige.se/2021/11/17/skadade-sig-pa-forsasongen-nu-ar-nyforvarvet-redo-for-spel|title=Sebastian Collberg är redo för säsongsdebut|last=Jansson|first=Martin|date=November 17, 2021|publisher=Hockeysverige.se|access-date=August 19, 2024}}</ref> He scored his first goal on December 18 in a 4–2 win over Västerås IK.<ref>{{cite web|url=https://hockeysverige.se/2021/12/18/formstarka-bik-karlskoga-tog-annu-en-seger-mot-vasteras|title=Sebastian Collberg presenterade sig i Karlskogasegern|date=December 18, 2021|publisher=Hockeysverige.se|access-date=August 19, 2024}}</ref> He missed eight games due to COVID-19 after the new year.<ref>{{cite web|url=https://www.kt-kuriren.se/2022/02/15/sebastian-collberg-gor-comeback-nar-bik-karlskoga-tar-emot-troja-ljungby-pa-onsdagskvallen-264b0/|title=Efterlängtad comeback för Collberg|last=Pavlovic|first=Dennis|date=February 15, 2022|work=Karlskoga Tidning Kuriren|access-date=August 15, 2024}}</ref> Collberg appeared in 21 regular season games, scoring two goals and five assist. Karlskoga finished third in the league and qualified for the playoffs where they won the best of seven quarterfinals series four game to one against Mora IK, but lost the semifinal series against HV71 in four straight games. Collberg had five assist through eight games in the playoffs.

During the 2022–23 season, troubled by concussion symptoms,<ref>{{cite news|url=https://www.gp.se/sport/guldhjaltar-2012-har-ar-de-nu.d7be398b-300a-5748-a5ae-df19804711cf|title=Guldhjältar 2012 – här är de nu|last=Sundberg|first=Göran|date=January 5, 2024|work=Göteborgs-Posten|access-date=August 15, 2024}}</ref> Collberg only played one game, scoring one goal and one assist.

==International play== {{MedalTableTop|name = |File:Sebastian Collberg.png|250px|Collberg prior to the gold medal game of the 2012 World Junior Hockey Championships}} {{MedalCountry | {{ih|Sweden}} }} {{MedalSport | Men's ice hockey}} {{MedalCompetition|World Junior Championships}} {{MedalGold | 2012 Calgary|}} {{MedalSilver | 2013 Ufa|}} {{MedalSilver | 2014 Malmö|}} {{MedalCompetition|World U18 Championships}} {{MedalSilver | 2012 Brno|}} {{MedalCompetition|Ivan Hlinka Memorial Tournament}} {{MedalSilver | 2011 Břeclav|}} {{MedalBottom}}

Collberg debuted for Sweden internationally with Sweden's under 16 national team during the 2009–10 season, leading all players with five goals and nine assist for a total of 14 points in eleven games.<ref>{{cite web|url=https://www.eliteprospects.com/team/1981/sweden-u16-all/2009-2010?tab=stats|title=Sweden U16 (all)|publisher=Eliteprospects.com|access-date=August 11, 2024}}</ref> During the 2010–11 season Collberg played six games with the under 17 national team, leading all players in scoring with six goals and five assist for eleven points.<ref>{{cite web|url=https://www.eliteprospects.com/team/1982/sweden-u17-all/2010-2011?tab=stats|title=Sweden U17 (all)|publisher=Eliteprospects.com|access-date=August 11, 2024}}</ref> Collberg also made five appearances with Sweden men's national under-18 ice hockey team, registering one assist. He was selected to represent Sweden at the 2011 IIHF World U18 Championships, but was injured in his hand during a pre-tournament friendly game against Canada, after having blocked a shot and he was unable to play in the tournament.<ref>{{cite web|url=http://sverigesradio.se/sida/artikel.aspx?programid=35&artikel=4450855|title=Skott på handen - Collberg fick bryta|date=2011-04-12|work=Sveriges Radio|language=Swedish|access-date=2011-12-31}}</ref> He was on the team a few months later for the 2011 Ivan Hlinka Memorial Tournament, where Sweden made it to the final against Canada but lost 1–4, with Collberg assisting on Sweden's lone goal.<ref>{{cite web|url=https://www.eurohockey.com/game/detail/21792-sweden--canada.html|title=Sweden 1-4 Canada|publisher=Eurohockey.com|access-date=August 11, 2024}}</ref> Collberg lead team Sweden in scoring with three goals and four assist in five games,<ref>{{cite web|url=http://swehockey.se/ImageVaultFiles/id_14505/cf_1583/intpl_aug_2011.PDF|title=2011 U18 Memorial of Ivan Hlinka in Czech Republic and Slovakia|format=PDF|publisher=Swedish Ice Hockey Association|access-date=2012-04-16}}</ref> and tied for sixth overall in the tournament together with Aleksander Barkov.<ref>{{cite web|url=https://www.eliteprospects.com/league/ivan-hlinka-memorial/stats/2011-2012|title=Ivan Hlinka Memorial - 2011-2012|publisher=Eliteprospects.com|access-date=August 11, 2024}}</ref>

Collberg together with Filip Forsberg were the only 1994-born players selected to Sweden men's national junior ice hockey team at the 2012 World Junior Ice Hockey Championships—a tournament primarily for player born 1992—where they formed a line together with centre Victor Rask. Collberg scored one goal and had two assists in Sweden's opening game against Latvia which ended in a 9–4 win for Sweden.<ref>{{cite web|url=https://hockeysverige.se/2011/12/28/jag-tog-for-mig-ganska-mycket|title="Jag tog för mig ganska mycket"|last=Bodin|first=Uffe|date=December 28, 2012|work=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810212850/https://hockeysverige.se/2011/12/28/jag-tog-for-mig-ganska-mycket|url-status=dead}}</ref> In game two Collberg scored the game winning 4–3 goal in the shootout against Switzerland, and in game three against Slovakia Collberg scored two goals and had one assist.<ref>{{cite web|url=https://hockeysverige.se/2011/12/31/jag-var-lite-nere-ett-tag|title="Jag var lite nere ett tag"|last=Bodin|first=Uffe|date=December 31, 2012|work=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810213123/https://hockeysverige.se/2011/12/31/jag-var-lite-nere-ett-tag|url-status=dead}}</ref> In the semifinal against Finland Collberg scored his second shootout goal in the tournament,<ref>{{cite web|url=http://stats.iihf.com/Hydra/270/IHM270225_74_3_0.pdf|title=SEMIFINALS - GAME 25|date=2012-01-03|publisher=International Ice Hockey Federation|access-date=2012-04-16}}</ref> followed by a goal by Max Friberg sending Sweden to the final with a 2–1 win in the shootout. Sweden won their first gold at the tournament in 31 years, their second overall, after a 1–0 overtime win against Russia in final.<ref>{{cite web|url=https://sverigesradio.se/artikel/4894775|title=Sverige tog guld mot Ryssland i junior-vm|date=2012-01-06|access-date=2024-08-05|work=Sveriges Radio|language=Swedish}}</ref> Collberg finished the tournament as Sweden's second best scorer, with four goals and three assist in six games.

Collberg was an alternate captain for Sweden at the 2012 IIHF World U18 Championships. Sweden won their group and were directly qualified for the semifinals where they faced Finland, Collberg scored two goals and one assist in a 7–3 win for Sweden en route to the final,<ref>{{cite web|url=https://stats.iihf.com/Hydra/292/IHM292225_74_3_0.pdf|title=SEMIFINALS - GAME 25|date=April 20, 2012|publisher=International Ice Hockey Federation|access-date=August 10, 2024}}</ref> where they lost 0–7 against USA. Collberg lead team Sweden in scoring with four goals and five assist in six game, which was tied fifth overall in the tournament together with Nic Kerdiles.<ref>{{cite web|url=https://stats.iihf.com/Hydra/292/IHM292000_85B_10_0.pdf|title=SCORINGLEADERS|date=April 22, 2012|publisher=International Ice Hockey Federation|access-date=August 10, 2024}}</ref>

At the 2013 World Junior Ice Hockey Championships, Collberg had a three-game scoring streak to start the tournament,<ref>{{cite web|url=https://hockeysverige.se/2012/12/29/seger-men-det-satt-ovantat-hart-at|title=Seger – men det satt oväntat hårt åt|last=Pettersson|first=Robert|date=December 29, 2012|work=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810135943/https://hockeysverige.se/2012/12/29/seger-men-det-satt-ovantat-hart-at|url-status=dead}}</ref> Sweden won their group and qualified for the semifinal where they faced hosting nation Russia. In the semifinal the score was 2–2 after regulation and overtime, in the shootout Collberg scored the game-winning goal against Andrei Vasilevskiy,<ref>{{cite web|url=https://stats.iihf.com/Hydra/306/IHM306226_74_3_0.pdf|title=GAME SUMMARY|date=January 3, 2013|publisher=International Ice Hockey Federation|access-date=August 10, 2024}}</ref> sending Sweden to the final for the second year in a row.<ref>{{cite web|url=https://hockeysverige.se/2013/01/03/vi-ar-i-final-igen|title=VI ÄR I FINAL IGEN|last=Bodin|first=Uffe|date=January 3, 2013|work=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810135943/https://hockeysverige.se/2013/01/03/vi-ar-i-final-igen|url-status=dead}}</ref> Sweden faced USA in the final, looking for revenge for their loss in the final at 2012 IIHF World U18 Championships, but were unable to beat the American team eventually losing 1–3.<ref>{{cite web|url=https://hockeysverige.se/2013/01/05/usa-numret-for-stort-i-jvm-finalen|title=USA numret för stort i JVM-finalen|last=Winther|first=Ola|date=January 5, 2013|work=Hockeysverige.se|language=Swedish|access-date=August 10, 2024|archive-date=August 10, 2024|archive-url=https://web.archive.org/web/20240810135944/https://hockeysverige.se/2013/01/05/usa-numret-for-stort-i-jvm-finalen|url-status=dead}}</ref> Collberg was Sweden's leading scorer for the tournament with four goals and two assist in six games.<ref>{{cite web|url=https://stats.iihf.com/Hydra/306/IHM306000_85B_14_0.pdf|title=GAME SUMMARY|date=January 5, 2013|publisher=International Ice Hockey Federation|access-date=August 10, 2024}}</ref>

Returning for his third World Junior Ice Hockey Championships at the 2014 tournament, Collberg only managed to score once in a 10–0 win against Norway,<ref>{{cite web|url=https://stats.iihf.com/Hydra/359/IHM359B12_74_4_0.pdf|title=GAME SUMMARY|date=December 29, 2013|publisher=International Ice Hockey Federation|access-date=August 10, 2023}}</ref> but his line together with Alexander Wennberg and Andreas Johnsson got praised as Sweden's best line in the tournament,<ref>{{cite news|url=https://www.gp.se/sport/ishockey/collberg-vill-avsluta-med-annu-ett-guld.fb36dee3-ef9d-4377-a714-4627486b224d|title=Collberg vill avsluta med ännu ett guld|last=Rylander|first=Johan|date=January 4, 2014|work=Göteborgs-Posten|language=Swedish|access-date=August 11, 2024}}</ref> and former junior national team head coach Roger Rönnberg praised Collberg as having done his best world juniors tournament.<ref>{{cite news|url=https://www.expressen.se/gt/sport/ronnberg-efter-jvm--silvret-idrotten-grym/|title=Rönnberg efter JVM- silvret: "Idrotten grym"|last=Piauger|first=Alexander|date=January 5, 2014|work=Expressen|language=Swedish|access-date=August 11, 2024}}</ref> Sweden again reached the final where they faced Finland, Collberg assisted on the game tying 2–2 goal in the middle of the third period,<ref>{{cite web|url=https://stats.iihf.com/Hydra/359/IHM359131_74_4_0.pdf|title=GAME SUMMARY|date=January 5, 2014|publisher=International Ice Hockey Federation|access-date=August 11, 2023}}</ref> but Sweden eventually lost in overtime. Collberg scored one goal and five assist in six games through the tournament.

In total, Collberg is Sweden's all-time leading scorer in international junior competition, with 43 goals and 53 assists for a total of 96 points in 81 games.<ref>{{cite web|url=https://www.eliteprospects.com/league/international-jr/stats/all-time?nation=swe|title=International-Jr - All-time totals|publisher=Eliteprospects.com|access-date=August 11, 2024}}</ref> Only four other players have played more games for Sweden's international junior teams.<ref>{{cite web|url=https://www.eliteprospects.com/league/international-jr/stats/all-time?nation=swe&sort=gp|title=International-Jr - All-time totals|publisher=Eliteprospects.com|access-date=August 11, 2024}}</ref>

==Career statistics== ===Regular season and playoffs=== {| border="0" cellpadding="1" cellspacing="0" style="text-align:center; width:60em" |- bgcolor="#e0e0e0" ! colspan="3" bgcolor="#ffffff" | &nbsp; ! rowspan="99" bgcolor="#ffffff" | &nbsp; ! colspan="5" | Regular&nbsp;season ! rowspan="99" bgcolor="#ffffff" | &nbsp; ! colspan="5" | Playoffs |- bgcolor="#e0e0e0" ! Season ! Team ! League ! GP ! G ! A ! Pts ! PIM ! GP ! G ! A ! Pts ! PIM |- | 2007–08 | Mariestad BoIS HC | SWE.3 | —||—||—||—||— | 1||0||0||0||0 |- bgcolor="#f0f0f0" | 2008–09 | Mariestad BoIS HC | J18 | 16||8||8||16||4 | —||—||—||—||— |- | 2008–09 | Mariestad BoIS HC | SWE.2 U20 | 21||4||4||8||10 | —||—||—||—||— |- bgcolor="#f0f0f0" | 2009–10 | Mariestad BoIS HC | J18 | 15||12||15||27||8 | —||—||—||—||— |- | 2009–10 | Mariestad BoIS HC | SWE.2 U20 | 24||24||14||38||12 | 2||1||0||1||4 |- bgcolor="#f0f0f0" | 2009–10 | Mariestad BoIS HC | SWE.3 | 4||1||0||1||0 | —||—||—||—||— |- | 2010–11 | Frölunda HC | J18 | 3||2||4||6||0 | —||—||—||—||— |- bgcolor="#f0f0f0" | 2010–11 | Frölunda HC | J18 Allsv | 5||7||3||10||0 | 4||1||1||2||0 |- | 2010–11 | Frölunda HC | J20 | 35||21||23||44||12 | 7||4||5||9||0 |- bgcolor="#f0f0f0" | 2010–11 | Frölunda HC | SEL | 5||0||0||0||0 | —||—||—||—||— |- | 2011–12 | Frölunda HC | J18 Allsv | 1||1||1||2||0 | 4||3||3||6||4 |- bgcolor="#f0f0f0" | 2011–12 | Frölunda HC | J20 | 21||9||8||17||18 | 2||0||0||0||0 |- | 2011–12 | Frölunda HC | SEL | 41||0||0||0||0 | —||—||—||—||— |- bgcolor="#f0f0f0" | 2012–13 | Frölunda HC | J20 | 1||0||0||0||0 | 2||0||0||0||0 |- | 2012–13 | Frölunda HC | SEL | 35||6||3||9||6 | 5||0||2||2||0 |- bgcolor="#f0f0f0" | 2012–13 | Örebro HK | Allsv | 15||6||2||8||2 | —||—||—||—||— |- | 2012–13 | Mariestad BoIS HC | SWE.3 | 1||1||1||2||0 | —||—||—||—||— |- bgcolor="#f0f0f0" | 2012–13 | Hamilton Bulldogs | AHL | 2||0||0||0||0 | —||—||—||—||— |- | 2013–14 | Frölunda HC | J20 | 3||5||1||6||0 | 1||0||1||1||2 |- bgcolor="#f0f0f0" | 2013–14 | Frölunda HC | SHL | 40||3||6||9||8 | 1||0||0||0||0 |- | 2014–15 | Bridgeport Sound Tigers | AHL | 43||4||14||18||13 | —||—||—||—||— |- bgcolor="#f0f0f0" | 2014–15 | Stockton Thunder | ECHL | 6||4||3||7||0 | —||—||—||—||— |- | 2015–16 | Bridgeport Sound Tigers | AHL | 42||3||7||10||10 | 3||0||0||0||8 |- bgcolor="#f0f0f0" | 2016–17 | Rögle BK | SHL | 45||6||7||13||10 | 4||1||2||3||0 |- | 2017–18 | Rögle BK | SHL | 35||4||5||9||14 | —||—||—||—||— |- bgcolor="#f0f0f0" | 2018–19 | Timrå IK | SHL | 37||7||4||11||10 | 5||0||0||0||0 |- | 2019–20 | Graz 99ers | EBEL | 27||4||9||13||8 | 3||0||0||0||4 |- bgcolor="#f0f0f0" | 2020–21 | Löwen Frankfurt | DEL2 | 39||13||22||35||12 | 5||4||1||5||2 |- | 2021–22 | BIK Karlskoga | Allsv | 21||2||5||7||6 | 8||0||5||5||0 |- bgcolor="#f0f0f0" | 2022–23 | BIK Karlskoga | Allsv | 1||1||1||2||0 | —||—||—||—||— |- bgcolor="#e0e0e0" ! colspan="3" | SHL totals ! 238!!26!!25!!51!!50 ! 6!!0!!2!!2!!0 |}

===International=== {| border="0" cellpadding="1" cellspacing="0" style="text-align:center; width:40em" |- ALIGN="center" bgcolor="#e0e0e0" ! Year ! Team ! Event ! Result ! rowspan="99" bgcolor="#ffffff" | &nbsp; ! GP ! G ! A ! Pts ! PIM |- | 2011 | Sweden | IH18 | {{silver2}} | 5||3||4||7||6 |- bgcolor="#f0f0f0" | 2012 | Sweden | WJC | {{gold1}} | 6||4||3||7||0 |- | 2012 | Sweden | U18 | {{silver2}} | 6||4||5||9||14 |- bgcolor="#f0f0f0" | 2013 | Sweden | WJC | {{silver2}} | 6||4||2||6||4 |- | 2014 | Sweden | WJC | {{silver2}} | 7||1||5||6||6 |- bgcolor="#e0e0e0" ! colspan="4" | Junior totals ! 30!!16!!19!!35!!30 |}

==References== {{reflist}}

==External links== * {{Ice hockey stats}}

{{DEFAULTSORT:Collberg, Sebastian}} Category:1994 births Category:Living people Category:BIK Karlskoga players Category:Bridgeport Sound Tigers players Category:Löwen Frankfurt players Category:Frölunda HC players Category:Graz 99ers players Category:Hamilton Bulldogs (AHL) players Category:Mariestad BoIS HC players Category:Montreal Canadiens draft picks Category:Örebro HK players Category:Rögle BK players Category:Stockton Thunder players Category:Swedish ice hockey right wingers Category:Timrå IK players