John Henry Slappey (August 8, 1898 – June 10, 1957) was a Major League Baseball pitcher who played in 1920 with the Philadelphia Athletics.
John Slappey
| Given name: | John Henry Slappey |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'4" / 170 lbs |
| Bats/Throws: | L / L |
| Born: | Aug 8, 1898 in Albany, GA |
| Died: | Jun 10, 1957 in Marietta, GA (58 years old) |
| Debut: | Aug 23, 1920 |