| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 5.15 | 193104150_SFN_PHI |
| Philadelphia Athletics | OAK | 4.13 | 193104160_OAK_MIN |
| Washington Senators | MIN | 3.96 | 193104150_OAK_MIN |
| Chicago Cubs | CHN | 1.11 | 193104160_PIT_CHN |
| Brooklyn Robins | LAN | 0.49 | 193104160_LAN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -2.34 | 193104160_SFN_PHI |
| St. Louis Browns | BAL | -2.11 | 193104160_DET_BAL |
| Pittsburgh Pirates | PIT | -1.23 | 193104160_PIT_CHN |
| Detroit Tigers | DET | -1.17 | 193104160_DET_BAL |
| Boston Braves | ATL | -0.85 | 193104150_LAN_ATL |
Based on accumulated WAA for this season up to 1931-04-17.
| Rank | WAA | Name | IP | Tm |
|---|
_