| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -1.41 | 194005200_MIN_CHA |
| Jack Kramer | BAL | -1.06 | 194005220_MIN_BAL |
| Al Smith | CLE | -0.95 | 194005200_NYA_CLE |
| Ike Pearson | PHI | -0.41 | 194005200_PIT_PHI |
| George Caster | OAK | -0.41 | 194005220_OAK_CHA |
Based on accumulated WAA for this season up to 1940-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.17 | Larry French | 62 | CHN |
| +003+ | 2.73 | Bucky Walters | 62 | CIN |
| +004+ | 2.34 | Bob Feller | 59.7 | CLE |
| +007+ | 2.06 | Mace Brown | 41.3 | PIT |
| +009+ | 1.94 | Freddie Fitzsimmons | 26.7 | LAN |
| +012+ | 1.83 | Chubby Dean | 54.7 | OAK |
| +013+ | 1.83 | Tex Carleton | 43 | LAN |
| +014+ | 1.82 | Kirby Higbe | 57 | PHI |
| +017+ | 1.56 | Bob Harris | 24 | BAL |
| +018+ | 1.54 | Red Ruffing | 52.3 | NYA |
| +019+ | 1.49 | Bill Posedel | 46.7 | ATL |
| +022+ | 1.41 | Hal Schumacher | 37.3 | SFN |
| XXXXX | 1.21 | Carl Hubbell | 48 | SFN |
| XXXXX | 1.19 | Johnny Allen | 41.7 | CLE |
| XXXXX | 1.1 | Luke Hamlin | 26.7 | LAN |
| XXXXX | 1.1 | Marius Russo | 22 | NYA |
| XXXXX | 1.01 | Monte Pearson | 38.3 | NYA |
| XXXXX | 1.01 | Hugh Mulcahy | 46.7 | PHI |
| XXXXX | 1 | Eddie Smith | 41.3 | CHA |
| XXXXX | 0.86 | Jack Knott | 25.3 | CHA |
| XXXXX | 0.76 | Bobo Newsom | 41.7 | DET |
| XXXXX | 0.76 | Boom-Boom Beck | 16.3 | PHI |
| XXXXX | 0.73 | Johnny Babich | 41.3 | OAK |
| XXXXX | 0.72 | Al Piechota | 9.3 | ATL |
| XXXXX | 0.68 | Jack Wilson | 18 | BOS |
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