Jack Theis
- Given Name
- John Louis
- Born
- 7/23/1891 — Georgetown, OH, USA
- Died
- 7/6/1941 — Georgetown, OH, USA
- Weight
- 190 lbs
- Height
- 6' 0"
- Throws
- R
- Bats
- R
- Team(s)
- Cincinnati Reds (1920)
- Debut
- 1920-07-05
- Final Game
- 1920-07-05
Box score · 1920 · Cincinnati Reds
Batting
AB0R0H02B03B0HR0RBI0BB0SO0SB0
Pitching
IP2.0H1ER0BB3SO0W0L0