Not enough days in 1991 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 |
|---|---|---|---|
| 19910502 | +001+ | 2.55 | BOS |
| 19910516 | +001+ | 3.74 | BOS |
| 19910530 | +009+ | 2.83 | BOS |
| 19910613 | +006+ | 3.66 | BOS |
| 19910627 | +002+ | 4.79 | BOS |
| 19910714 | +006+ | 5.14 | BOS |
| 19910728 | +008+ | 5.50 | BOS |
| 19910811 | +006+ | 6.09 | BOS |
| 19910825 | +011+ | 5.77 | BOS |
| 19910908 | +005+ | 7.40 | BOS |
| 19910922 | +003+ | 8.68 | BOS |
| 19911006 | +003+ | 8.35 | BOS |
Roger Clemens Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | -0.36 | 55.7 | 3.88 | 9 | 0 | BOS |
| XXXXX | 0.41 | 102.3 | 3.43 | 18 | 0 | NYA |
| XXXXX | -0.75 | 41 | 4.39 | 7 | 1 | HOU |
| XXXXX | -0.7 | 199 | 3.75 | 0 | 0 | TOT |
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