Walter Johnson
- Given Name
- Walter Perry
- Nickname(s)
- Barney, The Big Train
- Born
- 11/6/1887 — Humboldt, KS, USA
- Died
- 12/10/1946 — Washington, DC, USA
- Weight
- 200 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- R
- Team(s)
- Washington Senators (1907–1927)
- Debut
- 1907-08-02
- Final Game
- 1927-09-30
- Gravesite
- Find-a-Grave
20-Loss Seasons
1909 · Washington SenatorsW13L25ERA2.22WHIP1.117
1916 · Washington SenatorsW25L20ERA1.9WHIP1.006