| Team | Tm | Tier | Game |
|---|---|---|---|
| Brooklyn Robins | LAN | 2.92 | 193109180_LAN_CHN |
| Boston Braves | ATL | 2.64 | 193109201_ATL_CIN |
| Washington Senators | MIN | 1.71 | 193109201_CHA_MIN |
| New York Giants | SFN | 0.77 | 193109201_SFN_CHN |
| Philadelphia Athletics | OAK | 0.53 | 193109180_CHA_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.69 | 193109180_CHA_OAK |
| Philadelphia Phillies | PHI | -3.22 | 193109191_PHI_CIN |
| St. Louis Browns | BAL | -1.25 | 193109180_BAL_NYA |
| Pittsburgh Pirates | PIT | -0.53 | 193109181_ATL_PIT |
| Detroit Tigers | DET | -0.51 | 193109180_DET_MIN |
Based on accumulated WAA for this season up to 1931-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 5.41 | Tom Zachary | 219.7 | ATL |
| +043+ | 3.77 | Bump Hadley | 169.3 | MIN |
| +061+ | 2.63 | Jack Ogden | 89 | CIN |
| +063+ | 2.6 | Paul Derringer | 192.7 | SLN |
| +102+ | 1.48 | Phil Collins | 236 | PHI |
| XXXXX | 0.9 | Tiny Chaplin | 42.3 | SFN |
| XXXXX | 0.56 | Jack Berly | 111.3 | SFN |
| XXXXX | 0.47 | Cy Moore | 59.7 | LAN |
| XXXXX | 0.39 | Whitey Hilcher | 4 | CIN |
| XXXXX | 0.17 | Fred Frankhouse | 127.3 | ATL |
| XXXXX | 0.15 | John Milligan | 8 | PHI |
| XXXXX | 0.13 | Clarence Mitchell | 190.3 | SFN |
| XXXXX | 0.08 | Steve Swetonic | 27.3 | PIT |
| XXXXX | -0.22 | Allyn Stout | 72.7 | SLN |
| XXXXX | -0.47 | Grant Bowler | 26.3 | CHA |
| XXXXX | -0.54 | Hal Haid | 56 | ATL |
| XXXXX | -0.66 | Bob Brown | 6.3 | ATL |
| XXXXX | -0.69 | Bobby Burke | 128.7 | MIN |
| XXXXX | -0.74 | Chad Kimsey | 92.3 | BAL |
| -101- | -1.56 | Charlie Sullivan | 94.3 | DET |
| -092- | -1.7 | Bob Osborn | 61.7 | PIT |
| -075- | -1.91 | Frank Watt | 121 | PHI |
| -072- | -1.95 | Wally Hebert | 95 | BAL |
| -068- | -2.04 | Bud Teachout | 60.3 | CHN |
| -065- | -2.12 | Ray Kolp | 107 | CIN |
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