| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 6.52 | 193105280_NYA_OAK |
| Chicago Cubs | CHN | 2.28 | 193105280_CHN_CIN |
| Washington Senators | MIN | 1.52 | 193105271_MIN_BOS |
| Cleveland Indians | CLE | 1.33 | 193105261_BAL_CLE |
| St. Louis Cardinals | SLN | 1.02 | 193105260_PIT_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -5.77 | 193105260_PHI_LAN |
| Cincinnati Reds | CIN | -2.15 | 193105261_CHN_CIN |
| St. Louis Browns | BAL | -1.33 | 193105270_BAL_CLE |
| Pittsburgh Pirates | PIT | -1.2 | 193105280_PIT_SLN |
| Chicago White Sox | CHA | -0.84 | 193105260_DET_CHA |
Based on accumulated WAA for this season up to 1931-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +008+ | 3.14 | Lefty Grove | 63.3 | OAK |
| +033+ | 1.39 | Wilcy Moore | 46.3 | BOS |
| XXXXX | 1.11 | Jim Lindsey | 16 | SLN |
| XXXXX | 1.09 | Ray Benge | 57 | PHI |
| XXXXX | 1.03 | Bruce Cunningham | 25.3 | ATL |
| XXXXX | 1.02 | Charlie Root | 53.7 | CHN |
| XXXXX | 1 | Clyde Day | 25.3 | LAN |
| XXXXX | 0.96 | Jakie May | 20.7 | CHN |
| XXXXX | 0.74 | Glenn Spencer | 20.3 | PIT |
| XXXXX | 0.73 | Joe Heving | 10 | SFN |
| XXXXX | 0.61 | Fred Heimach | 12.7 | LAN |
| XXXXX | 0.57 | Earl Mattingly | 12.3 | LAN |
| XXXXX | 0.51 | Paul Derringer | 16.3 | SLN |
| XXXXX | 0.5 | Bill McAfee | 15.7 | ATL |
| XXXXX | 0.45 | Frank Watt | 23 | PHI |
| XXXXX | 0.42 | Lefty Weinert | 13.7 | NYA |
| XXXXX | 0.42 | Bobby Burke | 27.7 | MIN |
| XXXXX | 0.31 | Ed Wells | 19.3 | NYA |
| XXXXX | 0.22 | Jack Ogden | 8.7 | CIN |
| XXXXX | 0.2 | Hal Haid | 2 | ATL |
| XXXXX | 0.12 | Allyn Stout | 5.7 | SLN |
| XXXXX | 0.1 | Bill Morrell | 12.3 | SFN |
| XXXXX | 0.07 | Ed Baecht | 26.7 | CHN |
| XXXXX | 0.04 | Jim Weaver | 5 | NYA |
| XXXXX | 0.03 | Milt Shoffner | 13.3 | CLE |
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