Not enough days in 1988 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19880428 | XXXXX | -0.10 | DET |
| 19880512 | XXXXX | 0.72 | DET |
| 19880526 | XXXXX | 0.78 | DET |
| 19880609 | XXXXX | 1.24 | DET |
| 19880623 | XXXXX | 1.21 | DET |
| 19880707 | +100+ | 1.51 | DET |
| 19880724 | +070+ | 2.08 | DET |
| 19880807 | +104+ | 1.87 | DET |
| 19880821 | +150+ | 1.38 | DET |
| 19880904 | XXXXX | 1.11 | DET |
| 19880918 | XXXXX | 0.58 | DET |
| 19881002 | XXXXX | 0.92 | DET |
Willie Hernandez Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | 0.34 | 4 | 0 | 0 | 3 | PHI |
| XXXXX | 0.39 | 9.7 | 1.86 | 0 | 7 | DET |
| XXXXX | 0.73 | 13.7 | 1.32 | 0 | 0 | TOT |
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