Not enough days in 1931 season to compile WAA record.
The line graph below shows daily WAA and Batting Average for reference. Fluctuation in batting average decreases as a season progresses. BA for pitchers is batting average against.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19310510 | +008+ | 1.83 | OAK |
| 19310524 | +021+ | 1.93 | OAK |
| 19310607 | +028+ | 1.88 | OAK |
| 19310621 | +025+ | 2.70 | OAK |
| 19310705 | +042+ | 1.83 | OAK |
| 19310719 | +040+ | 2.24 | OAK |
| 19310802 | +035+ | 3.10 | OAK |
| 19310816 | +035+ | 3.25 | OAK |
| 19310830 | +055+ | 2.45 | OAK |
| 19310913 | +062+ | 2.57 | OAK |
| 19310927 | +080+ | 2.32 | OAK |
Rube Walberg Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | 0.55 | 14 | 1.93 | 1 | 4 | OAK |
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