Not enough days in 1980 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19800516 | +023+ | 1.59 | SLN |
| 19800530 | +030+ | 1.83 | SLN |
| 19800613 | +021+ | 2.42 | SLN |
| 19800627 | +017+ | 3.27 | SLN |
| 19800714 | +031+ | 2.98 | SLN |
| 19800728 | +023+ | 3.69 | SLN |
| 19800811 | +017+ | 4.52 | SLN |
| 19800825 | +010+ | 5.52 | SLN |
| 19800908 | +012+ | 5.94 | SLN |
| 19800922 | +010+ | 6.66 | SLN |
| 19801006 | +015+ | 6.59 | 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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