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 | XXXXX | 0.72 | PIT |
| 19310524 | +030+ | 1.44 | PIT |
| 19310607 | +023+ | 2.03 | PIT |
| 19310621 | +027+ | 2.59 | PIT |
| 19310705 | +028+ | 2.55 | PIT |
| 19310719 | +024+ | 3.45 | PIT |
| 19310802 | +034+ | 3.16 | PIT |
| 19310816 | +038+ | 3.00 | PIT |
| 19310830 | +033+ | 3.92 | PIT |
| 19310913 | +023+ | 5.19 | PIT |
| 19310927 | +015+ | 7.12 | PIT |
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