| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 2.11 | 193105230_SLN_CIN |
| Brooklyn Robins | LAN | 1.72 | 193105221_LAN_PHI |
| Philadelphia Athletics | OAK | 1.02 | 193105230_BOS_OAK |
| Washington Senators | MIN | 0.96 | 193105210_MIN_CHA |
| Boston Red Sox | BOS | 0.65 | 193105230_BOS_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -2.64 | 193105221_LAN_PHI |
| Pittsburgh Pirates | PIT | -1.67 | 193105230_PIT_CHN |
| Cincinnati Reds | CIN | -1.56 | 193105230_SLN_CIN |
| St. Louis Browns | BAL | -1.38 | 193105231_DET_BAL |
| Detroit Tigers | DET | -0.71 | 193105231_DET_BAL |
Based on accumulated WAA for this season up to 1931-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +027+ | 1.65 | Rube Walberg | 66 | OAK |
| +029+ | 1.55 | Jakie May | 18.3 | CHN |
| +032+ | 1.38 | Wilcy Moore | 40.3 | BOS |
| XXXXX | 1.09 | Jim Lindsey | 14 | SLN |
| XXXXX | 0.95 | Paul Derringer | 14.7 | SLN |
| XXXXX | 0.93 | Bill Hallahan | 37 | SLN |
| XXXXX | 0.92 | Ed Baecht | 22.7 | CHN |
| XXXXX | 0.69 | Bruce Cunningham | 20.3 | ATL |
| XXXXX | 0.57 | Earl Mattingly | 12.3 | LAN |
| XXXXX | 0.54 | Vic Sorrell | 60.3 | DET |
| XXXXX | 0.47 | Allyn Stout | 5 | SLN |
| XXXXX | 0.43 | Frank Watt | 23 | PHI |
| XXXXX | 0.4 | Fred Heimach | 10.7 | LAN |
| XXXXX | 0.31 | Bill Sherdel | 31.7 | ATL |
| XXXXX | 0.31 | Joe Shaute | 35.7 | LAN |
| XXXXX | 0.31 | Bill McAfee | 12 | ATL |
| XXXXX | 0.3 | Bob Kline | 14 | BOS |
| XXXXX | 0.28 | Glenn Spencer | 16 | PIT |
| XXXXX | 0.28 | Lefty Gomez | 29 | NYA |
| XXXXX | 0.26 | Jack Ogden | 2.7 | CIN |
| XXXXX | 0.26 | Ed Wells | 19.3 | NYA |
| XXXXX | 0.03 | Milt Shoffner | 11.3 | CLE |
| XXXXX | -0.01 | George Grant | 8.7 | PIT |
| XXXXX | -0.05 | Pete Donohue | 11 | SFN |
| XXXXX | -0.06 | Art Herring | 14.7 | DET |
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