| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | 2.25 | 193105110_MIN_DET |
| Detroit Tigers | DET | 1.01 | 193105100_MIN_DET |
| Brooklyn Robins | LAN | 0.5 | 193105100_PIT_LAN |
| Boston Red Sox | BOS | 0.18 | 193105100_BOS_CLE |
| St. Louis Cardinals | SLN | 0.08 | 193105110_SLN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | -2.24 | 193105110_PIT_LAN |
| Cleveland Indians | CLE | -0.81 | 193105100_BOS_CLE |
| Chicago White Sox | CHA | -0.25 | 193105120_OAK_CHA |
| Cincinnati Reds | CIN | -0.16 | 193105121_CIN_ATL |
| Detroit Tigers | DET | -0.01 | 193105120_BOS_DET |
Based on accumulated WAA for this season up to 1931-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 1.12 | Jakie May | 12 | CHN |
| XXXXX | 1.1 | Wilcy Moore | 32 | BOS |
| XXXXX | 0.91 | Ed Baecht | 12 | CHN |
| XXXXX | 0.88 | Jim Lindsey | 12 | SLN |
| XXXXX | 0.62 | Jack Berly | 14 | SFN |
| XXXXX | 0.53 | Dutch Schesler | 10.7 | PHI |
| XXXXX | 0.5 | Charlie Sullivan | 25.7 | DET |
| XXXXX | 0.41 | Joe Heving | 7 | SFN |
| XXXXX | 0.34 | Clyde Day | 5.7 | LAN |
| XXXXX | 0.24 | Art Herring | 9.3 | DET |
| XXXXX | 0.23 | Howard Craghead | 4.7 | CLE |
| XXXXX | 0.18 | Lefty Weinert | 9.7 | NYA |
| XXXXX | 0.12 | Red Ruffing | 34 | NYA |
| XXXXX | 0.07 | Bill McAfee | 3 | ATL |
| XXXXX | 0.05 | Fred Heimach | 7 | LAN |
| XXXXX | 0.04 | Frank Watt | 17 | PHI |
| XXXXX | 0.03 | Jack Quinn | 13.3 | LAN |
| XXXXX | -0.06 | Red Faber | 12.7 | CHA |
| XXXXX | -0.07 | Fay Thomas | 17 | CLE |
| XXXXX | -0.09 | Bob Kline | 8 | BOS |
| XXXXX | -0.13 | Firpo Marberry | 32.7 | MIN |
| XXXXX | -0.14 | Milt Shoffner | 3 | CLE |
| XXXXX | -0.23 | Roxie Lawson | 2 | CLE |
| XXXXX | -0.27 | Ray Kolp | 23.7 | CIN |
| XXXXX | -0.31 | Ed Fallenstein | 6 | PHI |
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