Jeffrey Leonard
- Given Name
- Jeffrey
- Nickname(s)
- Penitentiary Face, HacMan, One Flap Down
- Born
- 9/22/1955 — Philadelphia, PA, USA
- Weight
- 200 lbs
- Height
- 6' 2"
- Throws
- R
- Bats
- R
- Team(s)
- Los Angeles Dodgers (1977)Houston Astros (1978–1981)San Francisco Giants (1981–1988)Milwaukee Brewers (1988)Seattle Mariners (1989–1990)
- Debut
- 1977-09-02
- Final Game
- 1990-10-03