Jack Lynch
- Given Name
- John H.
- Born
- 2/5/1857 — New York, NY, USA
- Died
- 4/20/1923 — Bronx, NY, USA
- Weight
- 185 lbs
- Height
- 5' 8"
- Throws
- R
- Bats
- R
- Team(s)
- Buffalo Bisons (1881)New York Metropolitans (1883–1887)Brooklyn Gladiators (1890)
- Debut
- 1881-05-02
- Final Game
- 1890-04-19
20-Loss Seasons
1886 · New York MetropolitansW20L30ERA3.95WHIP1.389
1885 · New York MetropolitansW23L21ERA3.61WHIP1.193