| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | 2.87 | 193106120_CLE_MIN |
| Brooklyn Robins | LAN | 2.34 | 193106110_LAN_CIN |
| St. Louis Cardinals | SLN | 0.68 | 193106120_ATL_SLN |
| Boston Braves | ATL | 0.52 | 193106120_ATL_SLN |
| New York Yankees | NYA | 0.39 | 193106120_CHA_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -3.87 | 193106120_PHI_CHN |
| Detroit Tigers | DET | -3.02 | 193106120_DET_BOS |
| St. Louis Browns | BAL | -2.38 | 193106120_BAL_OAK |
| Boston Braves | ATL | -1.35 | 193106110_ATL_SLN |
| Pittsburgh Pirates | PIT | -0.57 | 193106120_SFN_PIT |
Based on accumulated WAA for this season up to 1931-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +011+ | 3.36 | Tom Zachary | 73.3 | ATL |
| +028+ | 2.05 | Jack Berly | 56 | SFN |
| +048+ | 1.42 | Jim Lindsey | 25.7 | SLN |
| XXXXX | 1.19 | Jakie May | 33.3 | CHN |
| XXXXX | 1.04 | Wilcy Moore | 51.3 | BOS |
| XXXXX | 0.67 | Jake Miller | 36.7 | CLE |
| XXXXX | 0.61 | Fred Heimach | 28 | LAN |
| XXXXX | 0.55 | Earl Mattingly | 14.3 | LAN |
| XXXXX | 0.31 | Jim Weaver | 7.7 | NYA |
| XXXXX | 0.26 | Allyn Stout | 18 | SLN |
| XXXXX | 0.22 | Lefty Weinert | 20 | NYA |
| XXXXX | 0.22 | Ed Baecht | 32 | CHN |
| XXXXX | 0.19 | Tiny Chaplin | 2 | SFN |
| XXXXX | 0.13 | Milt Shoffner | 22.7 | CLE |
| XXXXX | 0.06 | Jack Quinn | 26.7 | LAN |
| XXXXX | 0.02 | Bob Osborn | 15.3 | PIT |
| XXXXX | 0 | Jumbo Elliott | 78.3 | PHI |
| XXXXX | -0.05 | Glenn Spencer | 29.7 | PIT |
| XXXXX | -0.07 | Flint Rhem | 51.7 | SLN |
| XXXXX | -0.07 | Phil Collins | 66.7 | PHI |
| XXXXX | -0.16 | Firpo Marberry | 45.3 | MIN |
| XXXXX | -0.16 | Ted Lyons | 45 | CHA |
| XXXXX | -0.18 | Ed Fallenstein | 13.3 | PHI |
| XXXXX | -0.18 | Fay Thomas | 43 | CLE |
| XXXXX | -0.19 | Lew Krausse | 2.3 | OAK |
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