Elmer Knetzer
- Given Name
- Elmer Ellsworth
- Nickname(s)
- Baron
- Born
- 7/22/1885 — Carrick, PA, USA
- Died
- 10/3/1975 — Pittsburgh, PA, USA
- Weight
- 180 lbs
- Height
- 5' 10"
- Throws
- R
- Bats
- R
- Team(s)
- Brooklyn Superbas (1909–1910)Brooklyn Dodgers (1911–1912)Pittsburgh Rebels (1914–1915)Cincinnati Reds (1916–1917)Boston Braves (1916)
- Debut
- 1909-09-11
- Final Game
- 1917-06-18
- Gravesite
- Find-a-Grave