Not enough days in 1991 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19910418 | XXXXX | 0.14 | SEA |
| 19910502 | XXXXX | 0.30 | SEA |
| 19910516 | XXXXX | 0.30 | SEA |
| 19910530 | XXXXX | 0.55 | SEA |
| 19910613 | +085+ | 1.37 | SEA |
| 19910627 | +107+ | 1.35 | SEA |
| 19910714 | +126+ | 1.35 | SEA |
| 19910728 | +131+ | 1.49 | SEA |
| 19910811 | +148+ | 1.41 | SEA |
| 19910825 | XXXXX | 1.24 | SEA |
| 19910908 | XXXXX | 1.30 | SEA |
| 19910922 | +155+ | 1.65 | SEA |
| 19911006 | XXXXX | 1.29 | SEA |
| Rank | WAA | BA | OBP | PA | Rbis | Runs | Tm |
|---|
_