| Team | Tm | Tier | Game |
|---|---|---|---|
| Brooklyn Robins | LAN | 0.94 | 193109100_LAN_CIN |
| Philadelphia Athletics | OAK | 0.46 | 193109100_BAL_OAK |
| St. Louis Cardinals | SLN | 0.45 | 193109100_ATL_SLN |
| Washington Senators | MIN | 0.25 | 193109100_CLE_MIN |
| Cleveland Indians | CLE | 0.06 | 193109100_CLE_MIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -10.38 | 193109080_BAL_DET |
| Boston Red Sox | BOS | -1.38 | 193109100_DET_BOS |
| Cincinnati Reds | CIN | -0.39 | 193109080_CIN_PIT |
| Chicago White Sox | CHA | -0.12 | 193109081_CHA_CLE |
| Philadelphia Phillies | PHI | -0.08 | 193109100_PHI_CHN |
Based on accumulated WAA for this season up to 1931-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +045+ | 3.48 | Glenn Spencer | 161.7 | PIT |
| +057+ | 2.63 | Bump Hadley | 155.3 | MIN |
| +083+ | 1.92 | Jack Quinn | 61.3 | LAN |
| +092+ | 1.67 | Red Faber | 170 | CHA |
| +101+ | 1.49 | Jim Lindsey | 63.7 | SLN |
| +104+ | 1.42 | Eddie Rommel | 98 | OAK |
| XXXXX | 1.01 | Cy Moore | 49.7 | LAN |
| XXXXX | 0.57 | Jakie May | 80.3 | CHN |
| XXXXX | 0.56 | Sloppy Thurston | 134.3 | LAN |
| XXXXX | 0.46 | Hank McDonald | 68.3 | OAK |
| XXXXX | 0.38 | Sarge Connally | 68.7 | CLE |
| XXXXX | 0.33 | Jack Berly | 102 | SFN |
| XXXXX | 0.13 | Bob Cooney | 14.3 | BAL |
| 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 | -0.43 | Ed Wells | 113.3 | NYA |
| XXXXX | -0.46 | Jim Peterson | 4 | OAK |
| XXXXX | -0.49 | George Pipgras | 112.7 | NYA |
| XXXXX | -0.54 | Bill Sherdel | 128.3 | ATL |
| XXXXX | -0.62 | Hal Haid | 50.7 | ATL |
| XXXXX | -0.77 | Joe Heving | 42.3 | SFN |
| XXXXX | -0.78 | Benny Frey | 123.7 | CIN |
| XXXXX | -0.86 | Bob Weiland | 54.3 | CHA |
| XXXXX | -0.98 | Clyde Day | 53 | LAN |
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