| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 11.05 | 193107290_BAL_OAK |
| Washington Senators | MIN | 2.64 | 193107300_CLE_MIN |
| New York Giants | SFN | 0.06 | 193107290_SFN_PIT |
| Brooklyn Robins | LAN | 0.06 | 193107310_LAN_PHI |
| Boston Braves | ATL | 0.03 | 193107310_ATL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.17 | 193107290_CHA_NYA |
| St. Louis Browns | BAL | -1.62 | 193107300_BAL_OAK |
| New York Yankees | NYA | -1.11 | 193107310_NYA_BOS |
| Boston Red Sox | BOS | -0.51 | 193107291_DET_BOS |
| Cincinnati Reds | CIN | -0.5 | 193107290_LAN_CIN |
Based on accumulated WAA for this season up to 1931-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.23 | Lefty Grove | 189 | OAK |
| +019+ | 4.47 | Lloyd Brown | 172.3 | MIN |
| +037+ | 2.77 | Rube Walberg | 196 | OAK |
| +038+ | 2.52 | Bump Hadley | 108.7 | MIN |
| +057+ | 1.91 | Jakie May | 52 | CHN |
| +071+ | 1.65 | Fred Heimach | 68 | LAN |
| +079+ | 1.51 | Jack Berly | 90 | SFN |
| +085+ | 1.42 | Jumbo Elliott | 160 | PHI |
| XXXXX | 1.07 | Vic Sorrell | 168 | DET |
| XXXXX | 0.73 | Wilcy Moore | 111.7 | BOS |
| XXXXX | 0.72 | Glenn Spencer | 85.7 | PIT |
| XXXXX | 0.59 | Tiny Chaplin | 27.3 | SFN |
| XXXXX | 0.54 | Eddie Rommel | 55 | OAK |
| XXXXX | 0.48 | Jim Weaver | 48.7 | NYA |
| XXXXX | 0.44 | Benny Frey | 90 | CIN |
| XXXXX | 0.32 | Steve Swetonic | 16.3 | PIT |
| XXXXX | 0.31 | Dolf Luque | 84.3 | LAN |
| XXXXX | 0.3 | Bobby Burke | 94.3 | MIN |
| XXXXX | 0.22 | Ed Baecht | 58.3 | CHN |
| XXXXX | 0.15 | Sarge Connally | 12 | CLE |
| XXXXX | 0.13 | Chad Kimsey | 58.3 | BAL |
| XXXXX | 0 | Pete Appleton | 29.3 | CLE |
| XXXXX | -0.29 | Hal Haid | 25 | ATL |
| XXXXX | -0.38 | Phil Gallivan | 15.3 | LAN |
| XXXXX | -0.45 | Allyn Stout | 51 | SLN |
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