| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | 2.36 | 193109220_PHI_PIT |
| Brooklyn Robins | LAN | 1.61 | 193109220_LAN_SLN |
| Washington Senators | MIN | 1.54 | 193109210_CHA_MIN |
| Boston Braves | ATL | 1.38 | 193109210_ATL_CIN |
| Boston Red Sox | BOS | 0.66 | 193109220_BAL_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -6.76 | 193109220_CHA_MIN |
| St. Louis Browns | BAL | -1.46 | 193109220_BAL_BOS |
| Cincinnati Reds | CIN | -0.35 | 193109210_ATL_CIN |
| Detroit Tigers | DET | -0.34 | 193109231_CLE_DET |
| Cleveland Indians | CLE | -0.21 | 193109231_CLE_DET |
Based on accumulated WAA for this season up to 1931-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 5.42 | Tom Zachary | 219.7 | ATL |
| +026+ | 4.96 | Ray Benge | 238 | PHI |
| +039+ | 4.03 | Firpo Marberry | 216.7 | MIN |
| +051+ | 3.39 | Glenn Spencer | 180 | PIT |
| +062+ | 2.63 | Jack Ogden | 89 | CIN |
| +063+ | 2.62 | Clise Dudley | 179 | PHI |
| +066+ | 2.56 | George Uhle | 193 | DET |
| +085+ | 2.18 | Jack Quinn | 64.3 | LAN |
| +090+ | 2.05 | Fred Heimach | 135.3 | LAN |
| +101+ | 1.62 | Phil Collins | 240.3 | PHI |
| +103+ | 1.3 | Wilcy Moore | 177.3 | BOS |
| XXXXX | 0.9 | Tiny Chaplin | 42.3 | SFN |
| XXXXX | 0.56 | Jack Berly | 111.3 | SFN |
| XXXXX | 0.5 | George Pipgras | 136.7 | NYA |
| XXXXX | 0.49 | Ed Baecht | 67 | CHN |
| XXXXX | 0.45 | Cy Moore | 61.7 | LAN |
| XXXXX | 0.39 | Whitey Hilcher | 4 | CIN |
| XXXXX | 0.26 | Johnny Welch | 33.7 | CHN |
| XXXXX | 0.18 | Fred Frankhouse | 127.3 | ATL |
| XXXXX | 0.13 | Clarence Mitchell | 190.3 | SFN |
| XXXXX | 0.07 | Steve Swetonic | 27.3 | PIT |
| XXXXX | -0.07 | Sarge Connally | 85.7 | CLE |
| XXXXX | -0.22 | Allyn Stout | 72.7 | SLN |
| XXXXX | -0.27 | Grant Bowler | 28.3 | CHA |
| XXXXX | -0.39 | Mark Koenig | 7 | DET |
_