John Clarkson
- Given Name
- John Gibson
- Born
- 7/1/1861 — Cambridge, MA, USA
- Died
- 2/4/1909 — Belmont, MA, USA
- Weight
- 155 lbs
- Height
- 5' 10"
- Throws
- R
- Bats
- R
- Team(s)
- Worcester Ruby Legs (1882)Chicago White Stockings (1884–1887)Boston Beaneaters (1888–1892)Cleveland Spiders (1892–1894)
- Debut
- 1882-05-02
- Final Game
- 1894-07-12
20-Loss Seasons
1887 · Chicago White StockingsW38L21ERA3.08WHIP1.157
1888 · Boston BeaneatersW33L20ERA2.76WHIP1.173