| Retro ID | Player | Year | Team | History | Is Pitcher? | PA or IP | WAR | Wins | Losses |
|---|---|---|---|---|---|---|---|---|---|
| conco001 | Concepcion, Onix | 1984 | KCA | All KCA | 0 | 304 | 1.7 | 3 | 1 |
| conco001 | Concepcion, Onix | 1985 | KCA | All KCA | 0 | 336 | -1.2 | 1 | 5 |
| conco001 | Concepcion, Onix | 1982 | KCA | All KCA | 0 | 211 | -0.7 | 0 | 3 |
| conco001 | Concepcion, Onix | 1983 | KCA | All KCA | 0 | 232 | -0.9 | 0 | 3 |
| conco001 | Concepcion, Onix | 1987 | PIT | All PIT | 0 | 1 | 0 | 0 | 0 |
| conco001 | Concepcion, Onix | 1980 | KCA | All KCA | 0 | 15 | -0.5 | 0 | 1 |