| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 9.35 | 193107300_BAL_OAK |
| Washington Senators | MIN | 3.05 | 193108010_OAK_MIN |
| Brooklyn Robins | LAN | 1.46 | 193108010_LAN_PHI |
| Cincinnati Reds | CIN | 0.07 | 193108010_CIN_PIT |
| Boston Braves | ATL | 0.03 | 193107310_ATL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -1.78 | 193108010_CHA_DET |
| St. Louis Browns | BAL | -1.62 | 193107300_BAL_OAK |
| Chicago White Sox | CHA | -1.35 | 193108010_CHA_DET |
| New York Yankees | NYA | -1.16 | 193108010_NYA_BOS |
| Cincinnati Reds | CIN | -0.39 | 193107310_CIN_PIT |
Based on accumulated WAA for this season up to 1931-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.19 | Lefty Grove | 189 | OAK |
| +019+ | 4.42 | Lloyd Brown | 172.3 | MIN |
| +021+ | 4.33 | Ray Benge | 168.7 | PHI |
| +029+ | 3.37 | Watty Clark | 143.7 | LAN |
| +038+ | 2.49 | Bump Hadley | 108.7 | MIN |
| +056+ | 1.99 | Jakie May | 53 | CHN |
| +073+ | 1.62 | Fred Heimach | 68 | LAN |
| +080+ | 1.49 | Jack Berly | 90 | SFN |
| XXXXX | 0.7 | Wilcy Moore | 111.7 | BOS |
| XXXXX | 0.58 | Tiny Chaplin | 27.3 | SFN |
| XXXXX | 0.53 | Eddie Rommel | 55 | OAK |
| XXXXX | 0.42 | Benny Frey | 90 | CIN |
| XXXXX | 0.31 | Steve Swetonic | 16.3 | PIT |
| XXXXX | 0.28 | Dolf Luque | 84.3 | LAN |
| XXXXX | 0.27 | Bobby Burke | 94.3 | MIN |
| XXXXX | 0.25 | Sarge Connally | 13 | CLE |
| XXXXX | 0.2 | Ed Baecht | 58.3 | CHN |
| XXXXX | 0.12 | Mel Harder | 127 | CLE |
| XXXXX | 0.11 | Chad Kimsey | 58.3 | BAL |
| XXXXX | 0.1 | Pete Appleton | 30.3 | CLE |
| XXXXX | -0.24 | Jim Weaver | 50 | NYA |
| XXXXX | -0.29 | Gordon Rhodes | 16.7 | NYA |
| XXXXX | -0.39 | Phil Gallivan | 15.3 | LAN |
| XXXXX | -0.46 | Allyn Stout | 51 | SLN |
| XXXXX | -0.54 | Jud McLaughlin | 3 | BOS |
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