| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | 2.6 | 193109020_MIN_OAK |
| Philadelphia Athletics | OAK | 1.47 | 193109020_MIN_OAK |
| St. Louis Cardinals | SLN | 1.25 | 193109030_SLN_PIT |
| Boston Braves | ATL | 1.21 | 193109010_SFN_ATL |
| Chicago Cubs | CHN | 0.59 | 193109021_CHN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -1.95 | 193109030_DET_CHA |
| St. Louis Browns | BAL | -1.93 | 193109030_CLE_BAL |
| Boston Red Sox | BOS | -1.63 | 193109011_BOS_NYA |
| Pittsburgh Pirates | PIT | -1.13 | 193109030_SLN_PIT |
| Cleveland Indians | CLE | -0.74 | 193109030_CLE_BAL |
Based on accumulated WAA for this season up to 1931-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +035+ | 3.93 | Bob Smith | 203.7 | CHN |
| +037+ | 3.83 | George Earnshaw | 244 | OAK |
| +042+ | 3.52 | Firpo Marberry | 178.7 | MIN |
| +058+ | 2.54 | Flint Rhem | 176.3 | SLN |
| +076+ | 1.97 | Bump Hadley | 140.7 | MIN |
| +088+ | 1.61 | Jim Lindsey | 62.3 | SLN |
| +093+ | 1.46 | Jakie May | 80.3 | CHN |
| XXXXX | 1.1 | Wilcy Moore | 144 | BOS |
| XXXXX | 0.84 | Jumbo Elliott | 210.7 | PHI |
| XXXXX | 0.68 | Ivy Andrews | 22.7 | NYA |
| XXXXX | 0.4 | Cy Moore | 32.3 | LAN |
| XXXXX | 0.24 | Bruce Cunningham | 118.7 | ATL |
| XXXXX | -0.05 | Allyn Stout | 56 | SLN |
| XXXXX | -0.34 | Ed Wells | 111.3 | NYA |
| XXXXX | -0.63 | Hal Haid | 41.7 | ATL |
| XXXXX | -0.65 | Johnny Welch | 6.3 | CHN |
| XXXXX | -1.04 | Grant Bowler | 11 | CHA |
| XXXXX | -1.08 | Lou Garland | 8.3 | CHA |
| XXXXX | -1.1 | Wally Hebert | 85.7 | BAL |
| XXXXX | -1.26 | Ted Lyons | 58.7 | CHA |
| -096- | -1.43 | Chad Kimsey | 78 | BAL |
| -094- | -1.43 | Charlie Sullivan | 89.3 | DET |
| -091- | -1.47 | Jud McLaughlin | 10.7 | BOS |
| -078- | -1.58 | Pete Appleton | 50.3 | CLE |
| -062- | -1.94 | Les Sweetland | 123.3 | CHN |
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