Greg Mulleavy
- Given Name
- Gregory Thomas
- Nickname(s)
- Moe
- Born
- 9/25/1905 — Detroit, MI, USA
- Died
- 2/1/1980 — Arcadia, CA, USA
- Weight
- 167 lbs
- Height
- 5' 9"
- Throws
- R
- Bats
- R
- Team(s)
- Chicago White Sox (1930–1932)Boston Red Sox (1933)
- Debut
- 1930-07-04
- Final Game
- 1933-04-13