{{short description|Mixed martial arts event in 2026}} {{Infobox MMA event |name= UFC Fight Night: Allen vs. Costa |image= UFC_Allen_Costa.jpg |promotion= Ultimate Fighting Championship |date= {{start date|2026|5|16}} |venue= Meta Apex |city = Enterprise, Nevada, United States |attendance= Not announced<ref>{{Cite web|url=https://mmajunkie.usatoday.com/story/sports/ufc/2026/05/17/ufc-vegas-117-post-event-facts-rare-first-time-submission-occurs/90085916007/|title=UFC Fight Night 276 post-event facts: Never-before-seen submission occurs|publisher=mmajunkie.usatoday.com|author=Mike Bohn|date=2026-05-17|access-date=2026-05-18}}</ref> |gate= |previousevent= UFC 328: Chimaev vs. Strickland |followingevent= UFC Fight Night: Song vs. Figueiredo }}
'''''UFC Fight Night: Allen vs. Costa''''' (also known as '''''UFC Fight Night 276''''' and '''''UFC Vegas 117''''') was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on May 16, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States.<ref>{{Cite web|url=https://www.mmamania.com/ufc-fight-announcements/428394/arnold-allen-vs-melquizael-costa-set-to-headline-ufc-vegas-117-on-may-16|title=Arnold Allen vs. Melquizael Costa set to headline UFC Vegas 117 on May 16|publisher=mmamania.com|author=Alexander Behunin|date=2026-03-12|access-date=2026-03-12}}</ref>
==Background== A featherweight bout between Arnold Allen and Melquizael Costa served as the event's headliner.<ref>{{Cite web|url=https://empiresportsmedia.com/mma/ufc-vegas-117-to-be-headlined-by-arnold-allen-melquizael-costa/|title=UFC Vegas 117 to be headlined by Arnold Allen - Melquizael Costa|publisher=empiresportsmedia.com|author=Daniel Cunningham|date=2026-03-11|access-date=2026-03-12}}</ref>
A featherweight bout between Daniel Santos and Choi Doo-ho was originally expected to take place one week earlier at UFC 328.<ref>{{Cite web|title=UFC 328! Ultimate encaminha Daniel Willycat contra rival sul-coreano para maio|url=https://agfight.com/ufc/ufc-328-ultimate-encaminha-daniel-willycat-contra-rival-sul-coreano-para-maio/|date=2026-03-25|access-date=2026-04-03|publisher=agfight.com|author=Gaspar Bruno}} {{in lang|pt-br}}</ref> For undisclosed reasons, the matchup was rescheduled for this event.<ref>{{Cite web|url=https://bloodyelbow.com/2026/04/03/ufc-event-clashing-with-ronda-rousey-vs-gina-carano-adds-malcolm-wellmaker-and-returning-fan-favorite/|title=UFC event clashing with Ronda Rousey vs Gina Carano adds Malcolm Wellmaker and returning fan favorite|publisher=bloodyelbow.com|author=Kyle Dimond|date=2026-04-03|access-date=2026-04-03}}</ref> The pairing had previously been booked for UFC Fight Night: Ulberg vs. Reyes in September 2025, but Choi withdrew for unknown reasons and the bout was cancelled.<ref>{{Cite web|url=https://www.mk.co.kr/en/sports/11374869|title=Korean Superboy Choi Doo-ho is set to hunt for his third consecutive UFC victory in nine years|publisher=mk.co.kr|author=Min Jungu|date=2025-07-22|access-date=2026-04-03}}</ref><ref>{{Cite web|url=https://www.sportsnet.ca/ufc/article/ufc-perth-adds-three-more-australian-fighters-to-fight-night-card/|title=UFC Perth adds three more Australian fighters to Fight Night card|publisher=sportsnet.ca|author=Staff|date=2025-08-26|access-date=2026-04-03}}</ref>
A featherweight bout between Jordan Leavitt and Joanderson Brito was scheduled for the event.<ref>{{Cite web|title=UFC encaminha Joanderson Tubarao vs Jordan Leavitt para maio, em Las Vegas|url=https://agfight.com/ufc/ufc-encaminha-joanderson-tubarao-vs-jordan-leavitt-para-maio-em-las-vegas/|date=2026-03-27|access-date=2026-03-27|publisher=agfight.com|author=Gaspar Bruno}} {{in lang|pt-br}}</ref> However, for undisclosed reasons, the bout was moved to UFC Fight Night: Muhammad vs. Bonfim, which is scheduled to take place two weeks later.<ref>{{Cite web|url=https://www.mmamania.com/ufc-fight-cards/434947/ufc-vegas-118-fight-card-start-time-date-location-belal-vs-bonfim|title=UFC Vegas 118 fight card, start time, date and location - Belal vs. Bonfim|publisher=mmamania.com|author=Jesse Holland|date=2026-04-10|access-date=2026-04-11}}</ref>
Nicolas Dalby and Jeremiah Wells were expected to meet in a welterweight bout at the preliminary card.<ref>{{Cite web|url=https://www.fightbookmma.com/ufc-fight-night-sterling-vs-zalal-allen-vs-costa/|title=UFC returns to the APEX with featherweight showdowns: Aljamain Sterling vs. Youssef Zalal and Arnold Allen vs. Melquizael Costa|publisher=fightbookmma.com|author=Roberto Villa|date=2026-04-08|access-date=2026-04-09}}</ref> However on May 7, Dalby pulled out due to an undisclosed injury, so the bout was cancelled.<ref name="DalbyOut">{{Cite web|url=https://mmajunkie.usatoday.com/story/sports/ufc/2026/05/07/ufc-vegas-117-nicolas-dalby-vs-jeremiah-wells-off/89980566007/|title=UFC Vegas 117 loses fighter due to injury|publisher=mmajunkie.usatoday.com|author=Nolan King|date=2026-05-07|access-date=2026-05-08}}</ref>
A lightweight bout between Trey Ogden and promotional newcomer Thomas Gantt was originally scheduled for this event.<ref>{{Cite web|url=https://www.mmamania.com/ufc-fight-cards/433153/its-on-ufc-counter-programming-answer-rousey-vs-carano-fight-card-may-16|title=It's on! Here's UFC's counter-programming answer to Netflix MMA's 'Rousey vs. Carano' card on May 16|publisher=mmamania.com|author=Jesse Holland|date=2026-04-03|access-date=2026-05-12}}</ref> However, Ogden withdrew due to an injury and was replaced by undefeated promotional newcomer Artur Minev.<ref>{{Cite web|url=https://heavy.com/sports/ufc/ufc-vegas-117-loses-two-fights/|title=UFC Vegas 117 loses two fights, replacements being sought|publisher=heavy.com|author=Adam Martin|date=2026-05-11|access-date=2026-05-12}}</ref><ref name="Minev">{{Cite web|url=https://heavy.com/sports/ufc/artur-minev-short-notice-thomas-gantt/|title=Artur Minev gets short-notice call to fight Thomas Gantt|publisher=heavy.com|author=Marcel Dorff|date=2026-05-11|access-date=2026-05-12}}</ref>
Former LFA Light Heavyweight Champion Rodolfo Bellato was expected to face Modestas Bukauskas in a light heavyweight bout at the event.<ref>{{Cite web|url=https://cagesidepress.com/2026/03/17/modestas-bukauskas-signs-on-against-rodolfo-bellato-at-ufc-vegas-117/|title=Modestas Bukauskas signs on against Rodolfo Bellato at UFC Vegas 117|publisher=cagesidepress.com|author=Jay Anderson|date=2026-03-17|access-date=2026-03-18}}</ref> However, Bellato pulled out during fight week for undisclosed reasons and was replaced by promotional newcomer Christian Edwards in a catchweight of 215 pounds.<ref>{{Cite web|url=https://heavy.com/sports/ufc/modestas-bukauskas-gets-new-opponent-saturday/|title=Modestas Bukauskas gets new opponent on Saturday|publisher=heavy.com|author=Marcel Dorff|date=2026-05-12|access-date=2026-05-12}}</ref>
==Results== {{MMAevent}} {{MMAevent card|Main card (Paramount+)}} {{MMAevent bout |Featherweight |Arnold Allen |def. |Melquizael Costa |Decision (unanimous) (50–45, 50–45, 49–46) |5 |5:00 | }} {{MMAevent bout |Featherweight |Choi Doo-ho |def. |Daniel Santos |TKO (punches) |2 |4:29 | }} {{MMAevent bout |Bantamweight |Juan Díaz |def. |Malcolm Wellmaker |Submission (rear-naked choke) |2 |4:08 | }} {{MMAevent bout |Catchweight (215 lb) |Modestas Bukauskas |def. |Christian Edwards |Decision (split) (28–29, 29–28, 29–28) |3 |5:00 | }} {{MMAevent bout |Bantamweight |Bernardo Sopaj |def. |Timothy Cuamba |Submission (rear-naked choke) |2 |2:25 | }} {{MMAevent bout |Welterweight |Khaos Williams |def. |Nikolay Veretennikov |TKO (punches) |1 |3:31 | }} {{MMAevent card|Preliminary card (Paramount+)|header=no}} {{MMAevent bout |Light Heavyweight |Ivan Erslan |def. |Tuco Tokkos |Decision (unanimous) (29–28, 29–28, 29–28) |3 |5:00 | }} {{MMAevent bout |Lightweight |Thomas Gantt |def. |Artur Minev |TKO (punches) |2 |2:51 | }} {{MMAevent bout |Women's Bantamweight |Ketlen Vieira |def. |Jacqueline Cavalcanti |Decision (unanimous) (29–28, 29–28, 29–28) |3 |5:00 | }} {{MMAevent bout |Middleweight |Cody Brundage |def. |Andre Petroski |TKO (punches) |2 |0:44 | }} {{MMAevent bout |Women's Strawweight |Alice Ardelean |def. |Polyana Viana |Submission (ankle lock) |2 |4:36 | }} {{MMAevent bout |Flyweight |Luis Gurule |def. |Daniel Barez |Decision (unanimous) (30–27, 30–27, 30–27) |3 |5:00 | }} {{MMAevent bout |Women's Strawweight |Nicolle Caliari |def. |Shauna Bannon |Submission (arm-triangle choke) |3 |3:08 | }} {{MMAevent end|notes=yes}} <ref>{{Cite web|url=https://www.ufc.com/event/ufc-fight-night-may-16-2026|title=UFC Fight Night: Allen vs. Costa|publisher=Ultimate Fighting Championship|access-date=2025-03-13}}</ref>
== Bonus awards == The following fighters received $100,000 bonuses. The other finishes received $25,000 additional bonuses.<ref>{{cite web|title=UFC Vegas 117 bonuses revealed after awesome card|url=https://heavy.com/sports/ufc/ufc-vegas-117-bonuses-revealed-card/|author=Adam Martin|publisher=heavy.com|date=2026-05-16|access-date=2026-05-17}}</ref> *'''Fight of the Night: Choi Doo-ho vs. Daniel Santos''' *'''Performance of the Night: Juan Díaz''' and '''Alice Ardelean'''
== See also == {{Portal|Martial Arts}} *2026 in UFC *List of current UFC fighters *List of UFC events
== References == {{reflist}}
{{UFC Events}} {{2026 in mixed martial arts}}
Category:2026 in UFC Category:2026 in sports in Nevada Category:May 2026 sports events in the United States Category:UFC Fight Night Category:Ultimate Fighting Championship events in Enterprise, Nevada