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 | -0.90 | BAL |
| 19210529 | XXXXX | -1.13 | BAL |
| 19210612 | XXXXX | -1.23 | BAL |
| 19210626 | -025- | -2.04 | BAL |
| 19210710 | -030- | -1.98 | BAL |
| 19210724 | -006- | -3.80 | BAL |
| 19210807 | -005- | -4.30 | BAL |
| 19210821 | -005- | -4.30 | BAL |
| 19210904 | -004- | -4.97 | BAL |
| 19210918 | -008- | -4.66 | BAL |
| 19211002 | -054- | -2.38 | BAL |
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