Herb Pennock
- Given Name
- Herbert Jefferis
- Nickname(s)
- The Knight Of Kennett Square
- Born
- 2/10/1894 — Kennett Square, PA, USA
- Died
- 1/30/1948 — New York, NY, USA
- Weight
- 160 lbs
- Height
- 6' 0"
- Throws
- L
- Bats
- B
- Team(s)
- Philadelphia Athletics (1912–1915)Boston Red Sox (1915–1934)New York Yankees (1923–1933)
- Debut
- 1912-05-14
- Final Game
- 1934-08-27
- Gravesite
- Find-a-Grave