Grover Cleveland "Slim" Lowdermilk (January 15, 1885 – March 31, 1968) was an American Major League Baseball pitcher with the St. Louis Cardinals, Chicago Cubs, St. Louis Browns, Detroit Tigers, Cleveland Indians and Chicago White Sox between 1909 and 1920. Lowdermilk batted and threw right-handed. He was born in Sandborn, Indiana.
Grover Lowdermilk
| Given name: | Grover Cleveland Lowdermilk |
| Nicknames: | Slim |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'4" / 190 lbs |
| Bats/Throws: | R / R |
| Born: | Jan 15, 1885 in Sandborn, IN |
| Died: | Mar 31, 1968 in Odin, IL (83 years old) |
| Debut: | Jul 3, 1909 |