| Team | Tm | Tier | Game |
|---|---|---|---|
| Brooklyn Robins | LAN | 4.55 | 193109160_LAN_PIT |
| Philadelphia Athletics | OAK | 4.05 | 193109141_CLE_OAK |
| Washington Senators | MIN | 2.57 | 193109160_BAL_MIN |
| Pittsburgh Pirates | PIT | 0.72 | 193109151_LAN_PIT |
| St. Louis Cardinals | SLN | 0.68 | 193109141_PHI_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.35 | 193109150_CHA_BOS |
| Philadelphia Phillies | PHI | -1.9 | 193109160_PHI_SLN |
| Cleveland Indians | CLE | -0.9 | 193109160_CLE_OAK |
| Detroit Tigers | DET | -0.56 | 193109150_DET_NYA |
| New York Yankees | NYA | -0.17 | 193109150_DET_NYA |
Based on accumulated WAA for this season up to 1931-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +035+ | 4.16 | Watty Clark | 215.3 | LAN |
| +044+ | 3.55 | Bump Hadley | 165.3 | MIN |
| +048+ | 3.45 | Firpo Marberry | 199.7 | MIN |
| +049+ | 3.31 | Glenn Spencer | 169 | PIT |
| +064+ | 2.59 | Jack Ogden | 88 | CIN |
| +085+ | 1.92 | Jack Quinn | 61.3 | LAN |
| +093+ | 1.83 | Red Faber | 178 | CHA |
| +106+ | 1.36 | Cy Moore | 57.7 | LAN |
| XXXXX | 1.09 | Lon Warneke | 55.3 | CHN |
| XXXXX | 1.06 | Wilcy Moore | 167.3 | BOS |
| XXXXX | 0.75 | Fred Frankhouse | 120 | ATL |
| XXXXX | 0.7 | Van Mungo | 16 | LAN |
| XXXXX | 0.64 | Hank McDonald | 70.3 | OAK |
| XXXXX | 0.55 | Sloppy Thurston | 134.3 | LAN |
| XXXXX | 0.39 | Jack Berly | 107 | SFN |
| XXXXX | 0.15 | John Milligan | 8 | PHI |
| XXXXX | -0.3 | Roy Mahaffey | 159.3 | OAK |
| XXXXX | -0.45 | Hal Haid | 54.7 | ATL |
| XXXXX | -0.46 | Bill Sherdel | 129.3 | ATL |
| XXXXX | -0.75 | Grant Bowler | 23.3 | CHA |
| XXXXX | -0.91 | Bruce Cunningham | 129 | ATL |
| XXXXX | -0.91 | Ed Wells | 116.7 | NYA |
| XXXXX | -0.95 | Oral Hildebrand | 9.7 | CLE |
| XXXXX | -1.19 | Erv Brame | 168 | PIT |
| XXXXX | -1.26 | Pete Appleton | 62.7 | CLE |
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