| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 6.49 | 193109050_SLN_PIT |
| New York Giants | SFN | 4.7 | 193109051_LAN_SFN |
| Philadelphia Athletics | OAK | 2.32 | 193109041_OAK_BOS |
| Washington Senators | MIN | 2.24 | 193109051_NYA_MIN |
| Brooklyn Robins | LAN | 0.27 | 193109061_PHI_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -6.62 | 193109061_CLE_BAL |
| Chicago White Sox | CHA | -1.78 | 193109040_DET_CHA |
| Boston Red Sox | BOS | -1.51 | 193109051_OAK_BOS |
| Pittsburgh Pirates | PIT | -0.98 | 193109040_SLN_PIT |
| Cleveland Indians | CLE | -0.87 | 193109050_CLE_BAL |
Based on accumulated WAA for this season up to 1931-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 7.8 | Carl Hubbell | 220.7 | SFN |
| +019+ | 5.29 | Bill Hallahan | 207.3 | SLN |
| +048+ | 3.08 | Bob Smith | 206.3 | CHN |
| +051+ | 2.97 | Firpo Marberry | 182.3 | MIN |
| +058+ | 2.54 | Jack Quinn | 61 | LAN |
| +070+ | 2.15 | Bump Hadley | 149.7 | MIN |
| +082+ | 1.87 | Jack Ogden | 76 | CIN |
| +088+ | 1.68 | Red Faber | 170 | CHA |
| +094+ | 1.52 | Jim Lindsey | 63.7 | SLN |
| XXXXX | 0.82 | Phil Collins | 211 | PHI |
| XXXXX | 0.68 | Ivy Andrews | 22.7 | NYA |
| XXXXX | 0.6 | Jakie May | 80.3 | CHN |
| XXXXX | 0.57 | Cy Moore | 40.7 | LAN |
| XXXXX | 0.17 | Bruce Cunningham | 122.3 | ATL |
| XXXXX | -0.06 | Johnny Welch | 14.7 | CHN |
| XXXXX | -0.38 | Ed Wells | 113.3 | NYA |
| XXXXX | -0.41 | Bob Weiland | 48 | CHA |
| XXXXX | -0.45 | George Pipgras | 112.7 | NYA |
| XXXXX | -0.57 | Hal Haid | 46.7 | ATL |
| XXXXX | -0.75 | Frank Watt | 104.3 | PHI |
| XXXXX | -0.94 | Grant Bowler | 12 | CHA |
| XXXXX | -0.95 | Joe Heving | 40.3 | SFN |
| XXXXX | -0.95 | Wally Hebert | 89.7 | BAL |
| XXXXX | -0.96 | Clyde Day | 53 | LAN |
| XXXXX | -1.09 | Lou Garland | 8.3 | CHA |
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