| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 3.42 | 193108310_BOS_OAK |
| Washington Senators | MIN | 2.6 | 193109020_MIN_OAK |
| Boston Braves | ATL | 2.08 | 193108311_SFN_ATL |
| Chicago Cubs | CHN | 0.59 | 193109021_CHN_CIN |
| New York Yankees | NYA | 0.08 | 193109011_BOS_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -1.82 | 193109021_DET_BAL |
| Boston Red Sox | BOS | -1.63 | 193109011_BOS_NYA |
| Detroit Tigers | DET | -1.34 | 193108310_DET_BAL |
| Chicago White Sox | CHA | -0.56 | 193109021_CLE_CHA |
| Cleveland Indians | CLE | -0.31 | 193109021_CLE_CHA |
Based on accumulated WAA for this season up to 1931-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +033+ | 3.94 | Bob Smith | 203.7 | CHN |
| +036+ | 3.83 | George Earnshaw | 244 | OAK |
| +042+ | 3.52 | Firpo Marberry | 178.7 | MIN |
| +077+ | 1.97 | Bump Hadley | 140.7 | MIN |
| +090+ | 1.46 | Jakie May | 80.3 | CHN |
| +099+ | 1.31 | Jim Lindsey | 59.3 | SLN |
| XXXXX | 1.09 | Wilcy Moore | 144 | BOS |
| XXXXX | 0.84 | Jumbo Elliott | 210.7 | PHI |
| XXXXX | 0.68 | Ivy Andrews | 22.7 | NYA |
| XXXXX | 0.4 | Cy Moore | 32.3 | LAN |
| XXXXX | 0.24 | Bruce Cunningham | 118.7 | ATL |
| XXXXX | 0.13 | Bob Weiland | 42.7 | CHA |
| XXXXX | -0.06 | John Milligan | 3.7 | PHI |
| XXXXX | -0.06 | Allyn Stout | 56 | SLN |
| XXXXX | -0.08 | Steve Swetonic | 25.3 | PIT |
| XXXXX | -0.34 | Ed Wells | 111.3 | NYA |
| XXXXX | -0.63 | Hal Haid | 41.7 | ATL |
| XXXXX | -0.65 | Johnny Welch | 6.3 | CHN |
| XXXXX | -0.89 | Frank Watt | 102.7 | PHI |
| XXXXX | -0.92 | Grant Bowler | 10 | CHA |
| XXXXX | -1.02 | Lou Garland | 4.7 | CHA |
| XXXXX | -1.1 | Wally Hebert | 85.7 | BAL |
| XXXXX | -1.26 | Ted Lyons | 58.7 | CHA |
| -096- | -1.43 | Chad Kimsey | 78 | BAL |
| -094- | -1.43 | Charlie Sullivan | 89.3 | DET |
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