| Team | Tm | Tier | Game |
|---|---|---|---|
| Brooklyn Robins | LAN | 4.55 | 193109160_LAN_PIT |
| Washington Senators | MIN | 3.76 | 193109170_DET_MIN |
| Philadelphia Athletics | OAK | 2.55 | 193109150_CLE_OAK |
| Pittsburgh Pirates | PIT | 0.72 | 193109151_LAN_PIT |
| New York Giants | SFN | 0.32 | 193109170_SFN_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.35 | 193109150_CHA_BOS |
| Philadelphia Phillies | PHI | -1.9 | 193109160_PHI_SLN |
| St. Louis Browns | BAL | -1.13 | 193109171_BAL_NYA |
| Cleveland Indians | CLE | -0.9 | 193109160_CLE_OAK |
| Detroit Tigers | DET | -0.61 | 193109170_DET_MIN |
Based on accumulated WAA for this season up to 1931-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +036+ | 4.13 | Watty Clark | 215.3 | LAN |
| +046+ | 3.52 | Bump Hadley | 165.3 | MIN |
| +048+ | 3.42 | Firpo Marberry | 199.7 | MIN |
| +066+ | 2.57 | Jack Ogden | 88 | CIN |
| +096+ | 1.8 | Red Faber | 178 | CHA |
| +107+ | 1.35 | Cy Moore | 57.7 | LAN |
| XXXXX | 1.08 | Lon Warneke | 55.3 | CHN |
| XXXXX | 0.74 | Fred Frankhouse | 120 | ATL |
| XXXXX | 0.7 | Van Mungo | 16 | LAN |
| XXXXX | 0.62 | Hank McDonald | 70.3 | OAK |
| XXXXX | 0.38 | Jack Berly | 107 | SFN |
| XXXXX | 0.15 | John Milligan | 8 | PHI |
| XXXXX | -0.33 | Roy Mahaffey | 159.3 | OAK |
| XXXXX | -0.45 | Hal Haid | 54.7 | ATL |
| XXXXX | -0.47 | Bill Sherdel | 129.3 | ATL |
| XXXXX | -0.59 | Bobby Burke | 128.7 | MIN |
| XXXXX | -0.75 | Grant Bowler | 23.3 | CHA |
| XXXXX | -0.84 | Bruce Cunningham | 132 | ATL |
| XXXXX | -0.92 | Ed Wells | 116.7 | NYA |
| XXXXX | -0.92 | Chad Kimsey | 90.3 | BAL |
| XXXXX | -0.95 | Oral Hildebrand | 9.7 | CLE |
| XXXXX | -1.21 | Erv Brame | 168 | PIT |
| -106- | -1.49 | Charlie Sullivan | 94.3 | DET |
| -091- | -1.66 | Wally Hebert | 91.3 | BAL |
| -079- | -1.84 | Bob Osborn | 55.7 | PIT |
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