| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | 2.58 | 193104200_BOS_MIN |
| New York Giants | SFN | 1.01 | 193104190_SFN_ATL |
| Brooklyn Robins | LAN | 0.66 | 193104180_LAN_ATL |
| Chicago White Sox | CHA | 0.43 | 193104190_CHA_BAL |
| Philadelphia Athletics | OAK | 0.42 | 193104190_OAK_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | -5.27 | 193104200_PIT_CIN |
| St. Louis Browns | BAL | -3.38 | 193104190_CHA_BAL |
| Chicago Cubs | CHN | -1.89 | 193104200_SLN_CHN |
| Boston Braves | ATL | -0.84 | 193104190_SFN_ATL |
| Cincinnati Reds | CIN | -0.57 | 193104190_PIT_CIN |
Based on accumulated WAA for this season up to 1931-04-20.
| Rank | WAA | Name | IP | Tm |
|---|
_