| Home | Teams and Players | Homerun Kings | Top Salaries | Top RBIs | Hall of Fame |
| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| Ollie | O'Mara | Oliver Edward | 1891 | 3 | 8 | St. Louis | USA | 69 | 155 | 98 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1912 | Detroit Tigers | 4 | 0 | 0 | 0.0000 |
| 1914 | Brooklyn Robins | 247 | 1 | 7 | 0.2632 |
| 1915 | Brooklyn Robins | 577 | 0 | 31 | 0.2444 |
| 1916 | Brooklyn Robins | 193 | 0 | 15 | 0.2021 |
| 1918 | Brooklyn Robins | 450 | 1 | 24 | 0.2133 |
| 1919 | Brooklyn Robins | 7 | 0 | 0 | 0.0000 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1912 | Detroit Tigers | 0 | 0 | 0 | 0 |
| 1914 | Brooklyn Robins | 0 | 0 | 0 | 0 |
| 1915 | Brooklyn Robins | 0 | 0 | 0 | 0 |
| 1916 | Brooklyn Robins | 0 | 0 | 0 | 0 |
| 1918 | Brooklyn Robins | 0 | 0 | 0 | 0 |
| 1919 | Brooklyn Robins | 0 | 0 | 0 | 0 |