| Retro ID | Player | Year | Team | History | Is Pitcher? | PA or IP | WAR | Wins | Losses |
|---|---|---|---|---|---|---|---|---|---|
| robew001 | Roberts, Willis | 2002 | BAL | All BAL | 1 | 75 | 0.6 | 2 | 2 |
| robew001 | Roberts, Willis | 2001 | BAL | All BAL | 1 | 132 | 0.4 | 2 | 4 |
| robew001 | Roberts, Willis | 2004 | PIT | All PIT | 1 | 12 | -0.1 | 0 | 0 |
| robew001 | Roberts, Willis | 1999 | DET | All DET | 1 | 1 | -0.2 | 0 | 0 |
| robew001 | Roberts, Willis | 2003 | BAL | All BAL | 1 | 39 | -0.2 | 0 | 1 |
| robew001 | Roberts, Willis | 2001 | BAL | All BAL | 0 | 4 | Array['WAR'] | 0 | 0 |
| robew001 | Roberts, Willis | 2004 | PIT | All PIT | 0 | 1 | Array['WAR'] | 0 | 0 |