| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | 3.47 | 193108031_MIN_OAK |
| Philadelphia Athletics | OAK | 3 | 193108020_OAK_MIN |
| New York Giants | SFN | 0.96 | 193108021_ATL_SFN |
| Brooklyn Robins | LAN | 0.68 | 193108021_PHI_LAN |
| Chicago Cubs | CHN | 0.26 | 193108041_CIN_CHN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -2 | 193108030_CLE_BAL |
| Detroit Tigers | DET | -1.7 | 193108020_CHA_DET |
| Chicago White Sox | CHA | -1.63 | 193108030_CHA_DET |
| Philadelphia Phillies | PHI | -1.57 | 193108041_ATL_PHI |
| Boston Red Sox | BOS | -0.46 | 193108021_NYA_BOS |
Based on accumulated WAA for this season up to 1931-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 4.48 | Lloyd Brown | 175.3 | MIN |
| +031+ | 3.26 | Lefty Gomez | 139.3 | NYA |
| +034+ | 3.02 | Bump Hadley | 114.3 | MIN |
| +051+ | 2.13 | Jack Quinn | 54 | LAN |
| +053+ | 2.09 | Fred Heimach | 75 | LAN |
| +060+ | 1.97 | Jakie May | 53 | CHN |
| +068+ | 1.69 | Jack Ogden | 69.3 | CIN |
| +087+ | 1.45 | Jack Berly | 90 | SFN |
| +091+ | 1.33 | Jumbo Elliott | 168.7 | PHI |
| XXXXX | 0.68 | Eddie Rommel | 61 | OAK |
| XXXXX | 0.31 | Steve Swetonic | 16.3 | PIT |
| XXXXX | 0.18 | Ed Baecht | 58.3 | CHN |
| XXXXX | 0.12 | Lon Warneke | 27.3 | CHN |
| XXXXX | 0.08 | Pete Appleton | 30.3 | CLE |
| XXXXX | 0.07 | Mel Harder | 131.3 | CLE |
| XXXXX | -0.25 | Jim Weaver | 50 | NYA |
| XXXXX | -0.25 | George Blaeholder | 159.3 | BAL |
| XXXXX | -0.29 | Gordon Rhodes | 16.7 | NYA |
| XXXXX | -0.36 | Ray Moss | 46 | TOT |
| XXXXX | -0.37 | Bill Morrell | 65 | SFN |
| XXXXX | -0.39 | Phil Gallivan | 15.3 | LAN |
| XXXXX | -0.48 | Allyn Stout | 51 | SLN |
| XXXXX | -0.48 | Jud McLaughlin | 3.7 | BOS |
| XXXXX | -0.6 | Sloppy Thurston | 88.3 | LAN |
| XXXXX | -0.72 | Chad Kimsey | 63 | BAL |
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