| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 2.27 | 193105040_BOS_OAK |
| Detroit Tigers | DET | 1.9 | 193105040_CHA_DET |
| Washington Senators | MIN | 1.34 | 193105040_MIN_NYA |
| Chicago White Sox | CHA | 0.56 | 193105020_BAL_CHA |
| Brooklyn Robins | LAN | 0.24 | 193105040_SFN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -9.37 | 193105040_PHI_ATL |
| St. Louis Browns | BAL | -1.49 | 193105020_BAL_CHA |
| Pittsburgh Pirates | PIT | -0.6 | 193105020_CIN_PIT |
| Boston Braves | ATL | -0.52 | 193105030_PHI_ATL |
| Cincinnati Reds | CIN | -0.43 | 193105031_PIT_CIN |
Based on accumulated WAA for this season up to 1931-05-04.
| Rank | WAA | Name | IP | Tm |
|---|
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