| Position | Pitcher |
|---|---|
| Bats | Right |
| Throws | Right |
| Birth date | November 27, 1896 |
| Birth place | Gallipolis, Ohio, U.S. |
| Death date | October 23, 1937 (aged 40) |
| Death place | Dayton, Ohio, U.S. |
| Debutleague | MLB |
| Debutdate | June 8 |
| Debutteam | Philadelphia Phillies |
| Finalleague | MLB |
| Finaldate | September 22 |
| Finalteam | Philadelphia Phillies |
| Statleague | MLB |
| Stat1label | Win–loss record |
| Stat1value | 1–10 |
| Stat2label | Earned run average |
| Stat2value | 5.90 |
| Stat3label | Strikeouts |
| Stat3value | 27 |
| Teams |
| Birth date | November 27, 1896 |
|---|---|
| Birth place | Gallipolis, Ohio, U.S. |
| Death date | October 23, 1937 (aged 40) |
| Death place | Dayton, Ohio, U.S. |
| Number | 4 |
| Position | Halfback, wingback |
| Pastteams | |
| Pfr | S/SingJo20 |
John Edward "Sheriff" Singleton (November 27, 1896 – October 23, 1937) was an American Major League Baseball pitcher and National Football League (NFL) halfback and wingback. As a baseball player, Singleton was a member of the Philadelphia Phillies in the season. In 22 career games, he had a 1–10 record with a 5.90 ERA. He batted and threw right-handed. In football, he played in five games for the Dayton Triangles in .
Singleton was born in Gallipolis, Ohio and died in Dayton, Ohio.