William Peter Popp (June 7, 1877 – September 5, 1909) was a Major League Baseball pitcher who played for the St. Louis Cardinals in 1902. He later was a manager in the minor leagues in 1904.
Bill Popp
| Given name: | William Peter Popp |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 5'10" / 170 lbs |
| Bats/Throws: | None / R |
| Born: | Jun 7, 1877 in St. Louis, MO |
| Died: | Sep 5, 1909 in St. Louis, MO (32 years old) |
| Debut: | Apr 19, 1902 |