Not enough days in 1977 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19770512 | XXXXX | 1.23 | SLN |
| 19770526 | +051+ | 1.50 | SLN |
| 19770609 | +046+ | 1.98 | SLN |
| 19770623 | +058+ | 2.18 | SLN |
| 19770707 | +085+ | 1.87 | SLN |
| 19770724 | +076+ | 2.20 | SLN |
| 19770807 | +079+ | 2.39 | SLN |
| 19770821 | +117+ | 2.01 | SLN |
| 19770904 | +090+ | 2.57 | SLN |
| 19770918 | +068+ | 3.48 | SLN |
| 19771002 | +073+ | 3.42 | SLN |
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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