Not enough days in 1990 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19900416 | XXXXX | 0.24 | HOU |
| 19900430 | XXXXX | 0.46 | HOU |
| 19900514 | -022- | -1.46 | HOU |
| 19900528 | -023- | -1.72 | HOU |
| 19900611 | -032- | -1.74 | HOU |
| 19900625 | -056- | -1.46 | HOU |
| 19900711 | -029- | -2.02 | HOU |
| 19900725 | -054- | -1.72 | HOU |
| 19900808 | -041- | -2.20 | HOU |
| 19900822 | -088- | -1.74 | HOU |
| 19900905 | -135- | -1.44 | HOU |
| 19900919 | XXXXX | -1.04 | HOU |
| 19901003 | XXXXX | -1.14 | HOU |
Xavier Hernandez Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | -0.36 | 0.7 | 27 | 0 | 1 | CIN |
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