John Gottlieb Karst (October 15, 1893 in Philadelphia – May 21, 1976 in Cape May Court House, New Jersey), was a professional baseball player who played third base in one game for the 1915 Brooklyn Robins. He attended the University of Pennsylvania.
John Karst
| Given name: | John Gottlieb Karst |
| Nicknames: | Big Jack; King |
| Primary Pos: | Thirdbase |
| Hght/Wght: | 5'11" / 175 lbs |
| Bats/Throws: | L / R |
| Born: | Oct 15, 1893 in Philadelphia, PA |
| Died: | May 21, 1976 in Cape May, NJ (82 years old) |
| Debut: | Oct 6, 1915 |