| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 11.8 | 193106050_CHA_OAK |
| St. Louis Cardinals | SLN | 3.44 | 193106050_SFN_SLN |
| Cleveland Indians | CLE | 2 | 193106030_CLE_BOS |
| Chicago Cubs | CHN | 1.64 | 193106030_LAN_CHN |
| Brooklyn Robins | LAN | 0.92 | 193106030_LAN_CHN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | -6.23 | 193106040_PHI_CIN |
| Philadelphia Phillies | PHI | -1.29 | 193106050_PHI_CIN |
| St. Louis Browns | BAL | -0.79 | 193106040_BAL_NYA |
| Chicago White Sox | CHA | -0.75 | 193106050_CHA_OAK |
| Pittsburgh Pirates | PIT | -0.53 | 193106030_ATL_PIT |
Based on accumulated WAA for this season up to 1931-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.05 | Lefty Grove | 90.3 | OAK |
| +019+ | 2.31 | Burleigh Grimes | 71 | SLN |
| +040+ | 1.42 | Jim Lindsey | 21.7 | SLN |
| XXXXX | 1.03 | Jakie May | 32.3 | CHN |
| XXXXX | 0.91 | Wilcy Moore | 50.7 | BOS |
| XXXXX | 0.89 | Socks Seibold | 66.7 | ATL |
| XXXXX | 0.82 | Fred Heimach | 19.7 | LAN |
| XXXXX | 0.76 | Jake Miller | 29.7 | CLE |
| XXXXX | 0.74 | Ed Wells | 30.3 | NYA |
| XXXXX | 0.71 | Hal Haid | 9.7 | ATL |
| XXXXX | 0.68 | Eddie Rommel | 31.3 | OAK |
| XXXXX | 0.61 | Frank Watt | 24.3 | PHI |
| XXXXX | 0.53 | Lefty Weinert | 14.7 | NYA |
| XXXXX | 0.4 | Fay Thomas | 39 | CLE |
| XXXXX | 0.35 | Wally Hebert | 3.7 | BAL |
| XXXXX | 0.26 | Glenn Spencer | 26.7 | PIT |
| XXXXX | 0.21 | Bill Morrell | 13.3 | SFN |
| XXXXX | 0.16 | Bob Kline | 23.3 | BOS |
| XXXXX | -0.1 | George Grant | 12 | PIT |
| XXXXX | -0.12 | Bob Osborn | 9.7 | PIT |
| XXXXX | -0.19 | Jack Quinn | 22.3 | LAN |
| XXXXX | -0.23 | Sam Gray | 82.3 | BAL |
| XXXXX | -0.24 | Roxie Lawson | 4 | CLE |
| XXXXX | -0.31 | Ed Fallenstein | 12.3 | PHI |
| XXXXX | -0.38 | Bill McAfee | 18 | ATL |
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