| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| -011- | -4.58 | 164.7 | 5.08 | 21 | 9 | OAK |
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19330516 | XXXXX | 0.34 | OAK |
| 19330531 | XXXXX | 0.21 | OAK |
| 19330614 | -028- | -1.73 | OAK |
| 19330628 | -028- | -2.05 | OAK |
| 19330713 | -011- | -3.38 | OAK |
| 19330727 | -008- | -4.53 | OAK |
| 19330810 | -013- | -3.82 | OAK |
| 19330824 | -010- | -4.86 | OAK |
| 19330905 | -011- | -4.58 | OAK |
| 19330917 | -011- | -4.68 | OAK |
| 19331001 | -007- | -5.64 | OAK |
Roy Mahaffey Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | -0.13 | 1 | 9 | 0 | 1 | OAK |
_