| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 11.05 | 193107290_BAL_OAK |
| New York Giants | SFN | 3.86 | 193107280_SFN_PIT |
| Washington Senators | MIN | 2.64 | 193107300_CLE_MIN |
| Boston Braves | ATL | 1.03 | 193107280_ATL_SLN |
| Brooklyn Robins | LAN | 0.02 | 193107280_LAN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.59 | 193107280_CHA_NYA |
| St. Louis Browns | BAL | -1.62 | 193107300_BAL_OAK |
| Boston Red Sox | BOS | -0.51 | 193107291_DET_BOS |
| Cincinnati Reds | CIN | -0.5 | 193107290_LAN_CIN |
| Philadelphia Phillies | PHI | -0.48 | 193107280_PHI_CHN |
Based on accumulated WAA for this season up to 1931-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.25 | Lefty Grove | 189 | OAK |
| +018+ | 4.5 | Lloyd Brown | 172.3 | MIN |
| +036+ | 2.8 | Rube Walberg | 196 | OAK |
| +038+ | 2.54 | Bump Hadley | 108.7 | MIN |
| +057+ | 1.92 | Jakie May | 52 | CHN |
| +063+ | 1.79 | Jack Berly | 88 | SFN |
| +083+ | 1.45 | Jumbo Elliott | 160 | PHI |
| XXXXX | 1.1 | Vic Sorrell | 168 | DET |
| XXXXX | 0.75 | Wilcy Moore | 111.7 | BOS |
| XXXXX | 0.73 | Glenn Spencer | 85.7 | PIT |
| XXXXX | 0.66 | Benny Frey | 88 | CIN |
| XXXXX | 0.61 | Tiny Chaplin | 27.3 | SFN |
| XXXXX | 0.55 | Eddie Rommel | 55 | OAK |
| XXXXX | 0.48 | Jim Weaver | 48.7 | NYA |
| XXXXX | 0.32 | Dolf Luque | 84.3 | LAN |
| XXXXX | 0.32 | Steve Swetonic | 16.3 | PIT |
| XXXXX | 0.31 | Bobby Burke | 94.3 | MIN |
| XXXXX | 0.22 | Ed Baecht | 58.3 | CHN |
| XXXXX | 0.16 | Sarge Connally | 12 | CLE |
| XXXXX | 0.14 | Chad Kimsey | 58.3 | BAL |
| XXXXX | 0.01 | Pete Appleton | 29.3 | CLE |
| XXXXX | -0.28 | Hal Haid | 25 | ATL |
| XXXXX | -0.38 | Phil Gallivan | 15.3 | LAN |
| XXXXX | -0.44 | Cy Moore | 19 | LAN |
| XXXXX | -0.54 | Jud McLaughlin | 3 | BOS |
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