Not enough days in 1988 season to compile WAA record.
The line graph below shows daily WAA and Batting Average for reference. Fluctuation in batting average decreases as a season progresses. BA for pitchers is batting average against.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19880428 | +022+ | 1.29 | PIT |
| 19880512 | +053+ | 1.30 | PIT |
| 19880526 | XXXXX | 0.86 | PIT |
| 19880609 | XXXXX | -1.24 | PIT |
| 19880623 | -024- | -2.14 | PIT |
| 19880707 | -018- | -2.54 | PIT |
| 19880724 | -056- | -1.91 | PIT |
| 19880807 | -072- | -1.82 | PIT |
| 19880821 | -034- | -2.57 | PIT |
| 19880904 | -011- | -3.72 | PIT |
| 19880918 | -021- | -3.29 | PIT |
| 19881002 | -031- | -3.07 | PIT |
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