| Retro ID | Player | Year | Team | History | Is Pitcher? | PA or IP | WAR | Wins | Losses |
|---|---|---|---|---|---|---|---|---|---|
| slatj101 | Slattery, Jack | 1901 | BOS | All BOS | 0 | 4 | 0 | 0 | 0 |
| slatj101 | Slattery, Jack | 1906 | SLN | All SLN | 0 | 8 | 0 | 0 | 0 |
| slatj101 | Slattery, Jack | 1909 | WS1 | All WS1 | 0 | 59 | -0.3 | 0 | 1 |
| slatj101 | Slattery, Jack | 1903 | CLE | All CLE | 0 | 11 | -0.4 | 0 | 1 |
| slatj101 | Slattery, Jack | 1903 | CHA | All CHA | 0 | 215 | -0.7 | 1 | 3 |