Not enough days in 2008 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 20080412 | +008+ | 1.26 | SEA |
| 20080426 | +003+ | 2.31 | SEA |
| 20080510 | XXXXX | 1.04 | SEA |
| 20080524 | +093+ | 1.39 | SEA |
| 20080607 | +033+ | 2.42 | SEA |
| 20080621 | +020+ | 3.31 | SEA |
| 20080705 | +020+ | 3.52 | SEA |
| 20080722 | +030+ | 3.59 | SEA |
| 20080805 | +037+ | 3.92 | SEA |
| 20080819 | +052+ | 3.86 | SEA |
| 20080902 | +054+ | 4.04 | SEA |
| 20080916 | +062+ | 3.92 | SEA |
| 20080930 | +059+ | 4.19 | SEA |
Felix Hernandez Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|
_