Jack Fisher
- Given Name
- John Howard
- Nickname(s)
- Fat Jack
- Born
- 3/4/1939 — Frostburg, MD, USA
- Weight
- 215 lbs
- Height
- 6' 2"
- Throws
- R
- Bats
- R
- Team(s)
- Baltimore Orioles (1959–1962)San Francisco Giants (1963)New York Mets (1964–1967)Chicago White Sox (1968)Cincinnati Reds (1969)
- Debut
- 1959-04-14
- Final Game
- 1969-09-26
20-Loss Season
1965 · New York MetsW8L24ERA3.94WHIP1.261