Not enough days in 1990 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19900416 | XXXXX | -0.09 | BAL |
| 19900430 | XXXXX | 0.13 | BAL |
| 19900514 | XXXXX | 0.16 | BAL |
| 19900528 | XXXXX | 0.18 | BAL |
| 19900611 | XXXXX | 0.19 | BAL |
| 19900625 | XXXXX | -0.30 | BAL |
| 19900711 | XXXXX | -0.88 | BAL |
| 19900725 | XXXXX | -0.81 | BAL |
| 19900808 | XXXXX | 0.22 | BAL |
| 19900822 | -137- | -1.38 | BAL |
| 19900905 | -072- | -1.96 | BAL |
| 19900919 | -086- | -1.96 | BAL |
| 19901003 | -081- | -2.11 | BAL |
John Mitchell Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|
_