Allen Russell Gerhardt
- Bats Both, Throws Left
- Height 5' 9", Weight 175 lb.
- School Clemson University
- High School Parkville High School
- Debut July 27, 1974
- Final Game September 24, 1974
- Born August 13, 1950 in Baltimore, MD USA
Gerhardt was forced into service as a player-manager for the Amarillo Gold Sox in May 1979 when Glenn Ezell underwent open-heart surgery. He was a coach with the Beaumont Golden Gators in 1983, Oklahoma City 89ers in 1984-1986, Gastonia Rangers in 1987, and the Charlotte Rangers in 1988-1989. He then went to work as a pitching coach for the Major League Scouting Bureau and as a scout for the Texas Rangers.