| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +040+ | 5.56 | 194.3 | 3.24 | 27 | 0 | BAL |
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19980420 | XXXXX | 0.95 | BAL |
| 19980504 | +036+ | 1.68 | BAL |
| 19980518 | +025+ | 2.28 | BAL |
| 19980601 | +045+ | 2.39 | BAL |
| 19980615 | +143+ | 1.28 | BAL |
| 19980630 | +146+ | 1.41 | BAL |
| 19980717 | +128+ | 1.89 | BAL |
| 19980731 | +105+ | 2.53 | BAL |
| 19980814 | +067+ | 3.55 | BAL |
| 19980828 | +073+ | 3.61 | BAL |
| 19980911 | +068+ | 4.27 | BAL |
| 19980917 | +040+ | 5.56 | BAL |
| 19980928 | +068+ | 4.73 | BAL |
Mike Mussina Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | 1.06 | 42.7 | 2.53 | 6 | 0 | BAL |
| XXXXX | -0.48 | 97 | 3.8 | 15 | 2 | NYA |
| XXXXX | 0.58 | 139.7 | 3.42 | 0 | 0 | TOT |
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