| Team | Tm | Tier | Game |
|---|---|---|---|
| Brooklyn Robins | LAN | 4.55 | 193109160_LAN_PIT |
| Washington Senators | MIN | 3.76 | 193109170_DET_MIN |
| Philadelphia Athletics | OAK | 0.53 | 193109180_CHA_OAK |
| New York Giants | SFN | 0.44 | 193109180_SFN_SLN |
| Boston Braves | ATL | 0.2 | 193109181_ATL_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.69 | 193109180_CHA_OAK |
| Philadelphia Phillies | PHI | -1.9 | 193109160_PHI_SLN |
| St. Louis Browns | BAL | -1.25 | 193109180_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 1931-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +035+ | 4.09 | Watty Clark | 215.3 | LAN |
| +048+ | 3.46 | Bump Hadley | 165.3 | MIN |
| +066+ | 2.56 | Jack Ogden | 88 | CIN |
| +106+ | 1.34 | Cy Moore | 57.7 | LAN |
| XXXXX | 1.07 | Lon Warneke | 55.3 | CHN |
| XXXXX | 0.73 | Fred Frankhouse | 120 | ATL |
| XXXXX | 0.61 | Hank McDonald | 70.3 | OAK |
| XXXXX | 0.39 | Whitey Hilcher | 4 | CIN |
| XXXXX | 0.22 | Jack Berly | 107.7 | SFN |
| XXXXX | 0.15 | John Milligan | 8 | PHI |
| XXXXX | 0.14 | Clarence Mitchell | 190.3 | SFN |
| XXXXX | 0.08 | Steve Swetonic | 27.3 | PIT |
| XXXXX | -0.21 | Allyn Stout | 66 | SLN |
| XXXXX | -0.35 | Roy Mahaffey | 159.3 | OAK |
| XXXXX | -0.46 | Hal Haid | 54.7 | ATL |
| XXXXX | -0.64 | Bobby Burke | 128.7 | MIN |
| XXXXX | -0.66 | Grant Bowler | 24.3 | CHA |
| XXXXX | -0.83 | Chad Kimsey | 91.3 | BAL |
| XXXXX | -0.85 | Bruce Cunningham | 132 | ATL |
| XXXXX | -0.94 | Ed Wells | 116.7 | NYA |
| XXXXX | -0.95 | Oral Hildebrand | 9.7 | CLE |
| XXXXX | -1.23 | Erv Brame | 168 | PIT |
| -105- | -1.52 | Charlie Sullivan | 94.3 | DET |
| -090- | -1.69 | Bob Osborn | 61.7 | PIT |
| -076- | -1.88 | Frank Watt | 121 | PHI |
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