Not enough days in 1988 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19880428 | XXXXX | 0.67 | NYA |
| 19880512 | +015+ | 2.32 | NYA |
| 19880526 | +015+ | 2.90 | NYA |
| 19880609 | +015+ | 2.95 | NYA |
| 19880623 | +023+ | 2.97 | NYA |
| 19880707 | +029+ | 3.11 | NYA |
| 19880724 | +025+ | 3.79 | NYA |
| 19880807 | +022+ | 4.32 | NYA |
| 19880821 | +025+ | 4.74 | NYA |
| 19880904 | +028+ | 4.74 | NYA |
| 19880918 | +035+ | 4.72 | NYA |
| 19881002 | +032+ | 5.12 | NYA |
Don Mattingly Post Season Games
| Rank | WAA | BA | OBP | PA | Rbis | Runs | Tm |
|---|---|---|---|---|---|---|---|
| XXXXX | 0.4 | 0.417 | 0.44 | 25 | 6 | 3 | NYA |
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