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 | XXXXX | -0.06 | SFN |
| 19570604 | XXXXX | 1.25 | SFN |
| 19570618 | +044+ | 1.65 | SFN |
| 19570702 | +033+ | 2.19 | SFN |
| 19570718 | +036+ | 2.28 | SFN |
| 19570802 | +074+ | 1.74 | SFN |
| 19570817 | +037+ | 3.01 | SFN |
| 19570831 | +046+ | 2.62 | SFN |
| 19570915 | +060+ | 2.61 | SFN |
| 19570929 | +093+ | 1.65 | SFN |
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