John Singleton (athlete)

John Edward "Sheriff" Singleton (November 27, 1896 – October 23, 1937) was a Major League Baseball pitcher and National Football League halfback and wingback. As a baseball player, Singleton was a member of the Philadelphia Phillies in the 1922 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 1929.

Singleton was born in Gallipolis, Ohio and died in Dayton, Ohio.