George Proeser
- Given Name
- George
- Nickname(s)
- Yatz
- Born
- 5/30/1864 — Cincinnati, OH, USA
- Died
- 10/13/1941 — New Burlington, OH, USA
- Weight
- 190 lbs
- Height
- 5' 10"
- Throws
- L
- Bats
- L
- Team(s)
- Cleveland Blues (1888)Syracuse Stars (1890)
- Debut
- 1888-09-15
- Final Game
- 1890-07-10
- Gravesite
- Find-a-Grave