| Retro ID | Player | Year | Team | History | Is Pitcher? | PA or IP | WAR | Wins | Losses |
|---|---|---|---|---|---|---|---|---|---|
| obrit103 | O'Brien, Tommy | 1950 | WS1 | All WS1 | 0 | 10 | -0.2 | 0 | 0 |
| obrit103 | O'Brien, Tommy | 1950 | BOS | All BOS | 0 | 34 | -0.4 | 0 | 1 |
| obrit103 | O'Brien, Tommy | 1949 | BOS | All BOS | 0 | 146 | -0.3 | 0 | 2 |
| obrit103 | O'Brien, Tommy | 1945 | PIT | All PIT | 0 | 171 | 0.5 | 1 | 1 |
| obrit103 | O'Brien, Tommy | 1944 | PIT | All PIT | 0 | 178 | -0.3 | 1 | 2 |
| obrit103 | O'Brien, Tommy | 1943 | PIT | All PIT | 0 | 247 | 1.1 | 2 | 2 |