| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 2.38 | 193109071_SLN_CHN |
| Brooklyn Robins | LAN | 0.68 | 193109090_LAN_PIT |
| Philadelphia Athletics | OAK | 0.43 | 193109090_MIN_OAK |
| Washington Senators | MIN | 0.4 | 193109071_MIN_BOS |
| New York Giants | SFN | 0.01 | 193109081_PHI_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -10.9 | 193109071_BAL_DET |
| Boston Red Sox | BOS | -0.71 | 193109071_MIN_BOS |
| Cincinnati Reds | CIN | -0.39 | 193109080_CIN_PIT |
| Chicago White Sox | CHA | -0.12 | 193109081_CHA_CLE |
| Pittsburgh Pirates | PIT | -0.08 | 193109071_CIN_PIT |
Based on accumulated WAA for this season up to 1931-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 5.21 | Bill Hallahan | 207.3 | SLN |
| +057+ | 2.6 | Bump Hadley | 155 | MIN |
| +060+ | 2.52 | Jack Quinn | 61 | LAN |
| +092+ | 1.67 | Red Faber | 170 | CHA |
| +098+ | 1.5 | Jim Lindsey | 63.7 | SLN |
| +101+ | 1.42 | Eddie Rommel | 98 | OAK |
| +102+ | 1.33 | Wilcy Moore | 154 | BOS |
| XXXXX | 1.01 | Cy Moore | 49.7 | LAN |
| XXXXX | 0.57 | Jakie May | 80.3 | CHN |
| XXXXX | 0.46 | Hank McDonald | 68.3 | OAK |
| XXXXX | 0.33 | Jack Berly | 102 | SFN |
| XXXXX | 0.13 | Johnny Welch | 16.7 | CHN |
| XXXXX | 0.11 | Oral Hildebrand | 3.3 | CLE |
| XXXXX | 0.08 | Bobby Reeves | 7.3 | BOS |
| XXXXX | -0.42 | Ed Wells | 113.3 | NYA |
| XXXXX | -0.46 | Jim Peterson | 4 | OAK |
| XXXXX | -0.49 | George Pipgras | 112.7 | NYA |
| XXXXX | -0.5 | Hal Haid | 49.7 | ATL |
| XXXXX | -0.53 | Bill Sherdel | 126.3 | ATL |
| XXXXX | -0.77 | Benny Frey | 123.7 | CIN |
| XXXXX | -0.77 | Joe Heving | 42.3 | SFN |
| XXXXX | -0.86 | Bob Weiland | 54.3 | CHA |
| XXXXX | -0.97 | Wally Hebert | 89.7 | BAL |
| XXXXX | -0.98 | Clyde Day | 53 | LAN |
| XXXXX | -1.07 | Chad Kimsey | 88.7 | BAL |
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