Not enough days in 1921 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 |
|---|---|---|---|
| 19210515 | XXXXX | 0.51 | OAK |
| 19210529 | XXXXX | 0.76 | OAK |
| 19210612 | +058+ | 1.31 | OAK |
| 19210626 | XXXXX | 0.83 | OAK |
| 19210710 | +045+ | 1.91 | OAK |
| 19210724 | XXXXX | 0.48 | OAK |
| 19210807 | XXXXX | 0.21 | OAK |
| 19210821 | XXXXX | -0.46 | OAK |
| 19210904 | XXXXX | -0.60 | OAK |
| 19210918 | XXXXX | -1.24 | OAK |
| 19211002 | -050- | -2.48 | OAK |
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