| Team | Tm | Tier | Game |
|---|---|---|---|
| Brooklyn Robins | LAN | 1.85 | 193106090_LAN_SLN |
| Philadelphia Athletics | OAK | 1.35 | 193106080_DET_OAK |
| Washington Senators | MIN | 1.03 | 193106100_CLE_MIN |
| St. Louis Cardinals | SLN | 0.41 | 193106100_ATL_SLN |
| Chicago Cubs | CHN | 0.12 | 193106090_SFN_CHN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -1.45 | 193106090_DET_OAK |
| Philadelphia Phillies | PHI | -1.01 | 193106090_PHI_PIT |
| Chicago White Sox | CHA | -0.69 | 193106090_CHA_MIN |
| St. Louis Browns | BAL | -0.44 | 193106080_BAL_BOS |
| Boston Braves | ATL | -0.35 | 193106090_ATL_CIN |
Based on accumulated WAA for this season up to 1931-06-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 1.82 | Ed Morris | 42 | BOS |
| +038+ | 1.67 | Si Johnson | 84.7 | CIN |
| XXXXX | 1.19 | Jakie May | 33.3 | CHN |
| XXXXX | 1.1 | Jim Lindsey | 22.3 | SLN |
| XXXXX | 1.05 | Wilcy Moore | 51.3 | BOS |
| XXXXX | 0.82 | Frank Watt | 26 | PHI |
| XXXXX | 0.79 | Ed Wells | 30.3 | NYA |
| XXXXX | 0.73 | Hal Haid | 9.7 | ATL |
| XXXXX | 0.67 | Fay Thomas | 41 | CLE |
| XXXXX | 0.63 | Fred Heimach | 28 | LAN |
| XXXXX | 0.56 | Earl Mattingly | 14.3 | LAN |
| XXXXX | 0.46 | Wally Hebert | 4.7 | BAL |
| XXXXX | 0.31 | Jim Weaver | 7.7 | NYA |
| XXXXX | 0.3 | Glenn Spencer | 26.7 | PIT |
| 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 | 0.02 | Jumbo Elliott | 76.7 | PHI |
| XXXXX | -0.02 | Watty Clark | 58 | LAN |
| XXXXX | -0.04 | Jack Quinn | 23.3 | LAN |
| XXXXX | -0.06 | Sam Gray | 82.3 | BAL |
| XXXXX | -0.08 | George Grant | 12 | PIT |
| XXXXX | -0.16 | Firpo Marberry | 45.3 | MIN |
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