Not enough days in 1957 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 |
|---|---|---|---|
| 19570521 | +031+ | 1.35 | BOS |
| 19570604 | +048+ | 1.29 | BOS |
| 19570618 | XXXXX | 1.13 | BOS |
| 19570702 | +011+ | 3.36 | BOS |
| 19570718 | +011+ | 3.99 | BOS |
| 19570802 | +013+ | 4.02 | BOS |
| 19570817 | +011+ | 4.73 | BOS |
| 19570831 | +011+ | 5.07 | BOS |
| 19570915 | +014+ | 5.50 | BOS |
| 19570929 | +012+ | 6.40 | BOS |
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