| John Mercer | |
|---|---|
| First baseman | |
| Born: January 22, 1892 Taylortown, Louisiana | |
| Died: December 22, 1982 (aged 90) Shreveport, Louisiana | |
Batted: Left Threw: Left | |
| MLB debut | |
| June 25, 1912, for the St. Louis Cardinals | |
| Last MLB appearance | |
| June 25, 1912, for the St. Louis Cardinals | |
| MLB statistics | |
| Games played | 1 |
| At bats | 1 |
| Hits | 0 |
| Stats at Baseball Reference | |
| Teams | |
John Locke Mercer (January 22, 1892 – December 22, 1982) was a Major League Baseball first baseman. Mercer played in one game for the St. Louis Cardinals on June 25, 1912.