| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 15.23 | 193104240_MIN_OAK |
| Washington Senators | MIN | 4.36 | 193104240_MIN_OAK |
| Boston Red Sox | BOS | 0.82 | 193104240_NYA_BOS |
| Detroit Tigers | DET | 0.21 | 193104230_BAL_DET |
| Chicago White Sox | CHA | 0.19 | 193104230_CLE_CHA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -4.11 | 193104230_BAL_DET |
| Pittsburgh Pirates | PIT | -2.89 | 193104250_CHN_PIT |
| Chicago Cubs | CHN | -0.98 | 193104240_CHN_PIT |
| Philadelphia Phillies | PHI | -0.64 | 193104240_PHI_SFN |
| Detroit Tigers | DET | -0.04 | 193104250_BAL_DET |
Based on accumulated WAA for this season up to 1931-04-25.
| Rank | WAA | Name | IP | Tm |
|---|
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