| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 5.22 | 193104300_NYA_OAK |
| Washington Senators | MIN | 4.73 | 193104280_NYA_MIN |
| Cleveland Indians | CLE | 4.14 | 193104280_BAL_CLE |
| Chicago White Sox | CHA | 0.75 | 193104280_DET_CHA |
| Detroit Tigers | DET | 0.4 | 193104280_DET_CHA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | -3.84 | 193104280_PIT_SLN |
| Philadelphia Phillies | PHI | -2.59 | 193104300_PHI_LAN |
| St. Louis Browns | BAL | -1.67 | 193104300_BAL_CHA |
| Chicago Cubs | CHN | -1.14 | 193104290_CHN_CIN |
| Boston Braves | ATL | -0.78 | 193104300_ATL_SFN |
Based on accumulated WAA for this season up to 1931-04-30.
| Rank | WAA | Name | IP | Tm |
|---|
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