| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | 5.41 | 193105161_CHN_PHI |
| Philadelphia Athletics | OAK | 4.16 | 193105170_OAK_CLE |
| Brooklyn Robins | LAN | 2.77 | 193105170_CIN_LAN |
| Chicago White Sox | CHA | 1.59 | 193105160_BOS_CHA |
| Washington Senators | MIN | 1.2 | 193105171_MIN_BAL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -6.49 | 193105150_MIN_BAL |
| Pittsburgh Pirates | PIT | -1.15 | 193105160_PIT_ATL |
| Cincinnati Reds | CIN | -1.07 | 193105170_CIN_LAN |
| Cleveland Indians | CLE | -0.99 | 193105170_OAK_CLE |
| Detroit Tigers | DET | -0.82 | 193105170_NYA_DET |
Based on accumulated WAA for this season up to 1931-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 1.67 | Wilcy Moore | 39.7 | BOS |
| +022+ | 1.53 | Jakie May | 18.3 | CHN |
| +026+ | 1.41 | Lefty Grove | 41.7 | OAK |
| XXXXX | 1.17 | Jack Berly | 20 | SFN |
| XXXXX | 1.01 | Pat Malone | 35 | CHN |
| XXXXX | 0.96 | Ed Baecht | 12.3 | CHN |
| XXXXX | 0.89 | Jim Lindsey | 12 | SLN |
| XXXXX | 0.79 | Clyde Day | 14.7 | LAN |
| XXXXX | 0.74 | Clint Brown | 49.7 | CLE |
| XXXXX | 0.6 | Lefty Stewart | 47 | BAL |
| XXXXX | 0.47 | Paul Derringer | 9.7 | SLN |
| XXXXX | 0.47 | Earl Mattingly | 11.3 | LAN |
| XXXXX | 0.46 | Ed Durham | 31.3 | BOS |
| XXXXX | 0.42 | Art Herring | 13.3 | DET |
| XXXXX | 0.4 | Lefty Weinert | 11.7 | NYA |
| XXXXX | 0.36 | Ted Lyons | 6 | CHA |
| XXXXX | 0.34 | Watty Clark | 40.3 | LAN |
| XXXXX | 0.29 | Bill Sherdel | 31.7 | ATL |
| XXXXX | 0.27 | Bill McAfee | 5 | ATL |
| XXXXX | 0.25 | Fred Stiely | 2.7 | BAL |
| XXXXX | 0.11 | Larry Benton | 34 | CIN |
| XXXXX | 0.1 | Jack Quinn | 14 | LAN |
| XXXXX | 0.09 | Allyn Stout | 1 | SLN |
| XXXXX | 0.03 | Frank Watt | 19 | PHI |
| XXXXX | -0.02 | Bobby Burke | 23.7 | MIN |
_