Not enough days in 2010 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 |
|---|---|---|---|
| 20100429 | +009+ | 2.01 | NYA |
| 20100513 | +025+ | 2.01 | NYA |
| 20100527 | +031+ | 2.24 | NYA |
| 20100610 | +019+ | 2.98 | NYA |
| 20100624 | +013+ | 3.80 | NYA |
| 20100708 | +017+ | 3.85 | NYA |
| 20100725 | +035+ | 3.43 | NYA |
| 20100808 | +051+ | 3.42 | NYA |
| 20100822 | +058+ | 3.34 | NYA |
| 20100905 | +066+ | 3.37 | NYA |
| 20100919 | +062+ | 3.67 | NYA |
| 20101003 | +134+ | 2.40 | NYA |
Andy Pettitte Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| -105- | -0.39 | 25.3 | 4.26 | 4 | 0 | HOU |
| -105- | -0.92 | 251.3 | 3.76 | 40 | 0 | NYA |
| -105- | -1.31 | 276.7 | 3.81 | 0 | 0 | TOT |
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