Jack Leroy Mull
- Bats Right, Throws Right
- Height 5' 10", Weight 188 lb.
Catcher Jack Mull began his pro career with the Quincy Cubs in 1969 and played in the minors until 1973. He managed the GCL Cubs in 1974, then returned to AAA as a player in 1975 and 1976. After his playing career ended, he was a minor league manager and in 1985 was a San Francisco Giants coach.
- 1989 Coach Phoenix Firebirds
- 1995, 2001-2002 Coach Buffalo Bisons
- 2003 Coach Burlington Indians
- 2004 Coach Lake County Captains
- 2005 Coach Mahoning Valley Scrappers
- 2006 Coach Lake County Captains