Not enough days in 1988 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19880428 | XXXXX | 0.44 | NYN |
| 19880512 | +048+ | 1.40 | NYN |
| 19880526 | +037+ | 1.98 | NYN |
| 19880609 | +053+ | 1.80 | NYN |
| 19880623 | +066+ | 1.74 | NYN |
| 19880707 | +077+ | 1.78 | NYN |
| 19880724 | +095+ | 1.79 | NYN |
| 19880807 | +103+ | 1.88 | NYN |
| 19880821 | XXXXX | 1.16 | NYN |
| 19880904 | +133+ | 1.58 | NYN |
| 19880918 | +118+ | 2.03 | NYN |
| 19881002 | +137+ | 1.98 | NYN |
Keith Hernandez Post Season Games
| Rank | WAA | BA | OBP | PA | Rbis | Runs | Tm |
|---|---|---|---|---|---|---|---|
| XXXXX | 0.7 | 0.282 | 0.378 | 45 | 9 | 7 | SLN |
| XXXXX | -0.14 | 0.256 | 0.366 | 93 | 12 | 6 | NYN |
| XXXXX | 0.56 | 0.265 | 0.37 | 138 | 21 | 13 | TOT |
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