Johann "Jack" Katoll (June 24, 1875 – June 18, 1955) was a professional baseball pitcher who played in the Major Leagues from 1898 to 1902. He would play for the Chicago Orphans, Chicago White Sox, and Baltimore Orioles.
Jack Katoll
| Given name: | John Katoll |
| Nicknames: | Big Jack |
| Primary Pos: | Pitcher |
| Hght/Wght: | 5'11" / 195 lbs |
| Bats/Throws: | R / R |
| Born: | Jun 24, 1872 in FinckensteinDE |
| Died: | Jun 18, 1955 in Woodstock, IL (82 years old) |
| Debut: | Sep 9, 1898 |