| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 4.98 | 193104160_SFN_PHI |
| Philadelphia Athletics | OAK | 4.13 | 193104160_OAK_MIN |
| Chicago Cubs | CHN | 1.11 | 193104160_PIT_CHN |
| Washington Senators | MIN | 0.71 | 193104180_OAK_MIN |
| Brooklyn Robins | LAN | 0.66 | 193104180_LAN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -2.34 | 193104160_SFN_PHI |
| St. Louis Browns | BAL | -2.23 | 193104180_DET_BAL |
| Pittsburgh Pirates | PIT | -1.31 | 193104180_PIT_CIN |
| Detroit Tigers | DET | -1.17 | 193104160_DET_BAL |
| Chicago Cubs | CHN | -1.1 | 193104180_SLN_CHN |
Based on accumulated WAA for this season up to 1931-04-18.
| Rank | WAA | Name | IP | Tm |
|---|
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