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 | -005- | -1.89 | DET |
| 19210529 | -026- | -1.40 | DET |
| 19210612 | -028- | -1.68 | DET |
| 19210626 | -037- | -1.65 | DET |
| 19210710 | -045- | -1.66 | DET |
| 19210724 | -060- | -1.45 | DET |
| 19210807 | -058- | -1.61 | DET |
| 19210821 | XXXXX | -0.49 | DET |
| 19210904 | XXXXX | -0.97 | DET |
| 19210918 | XXXXX | 0.37 | DET |
| 19211002 | XXXXX | -0.71 | DET |
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