| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | 6.62 | 193105060_MIN_NYA |
| Cleveland Indians | CLE | 2.61 | 193105050_CLE_BAL |
| Philadelphia Athletics | OAK | 2.25 | 193105050_BOS_OAK |
| Detroit Tigers | DET | 1.79 | 193105050_CHA_DET |
| Brooklyn Robins | LAN | 0.43 | 193105050_SFN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -4.58 | 193105060_PHI_ATL |
| Pittsburgh Pirates | PIT | -3 | 193105070_SLN_PIT |
| St. Louis Browns | BAL | -1.09 | 193105070_CLE_BAL |
| Cincinnati Reds | CIN | -0.29 | 193105050_CIN_CHN |
| New York Yankees | NYA | -0.01 | 193105050_MIN_NYA |
Based on accumulated WAA for this season up to 1931-05-07.
| Rank | WAA | Name | IP | Tm |
|---|
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