| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 5.99 | 194005190_NYA_CLE |
| Bucky Walters | CIN | 3.73 | 194005190_CIN_ATL |
| Larry French | CHN | 3.61 | 194005190_CHN_LAN |
| Dutch Leonard | MIN | 3.18 | 194005190_MIN_CHA |
| Lefty Grove | BOS | 2.9 | 194005200_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elden Auker | BAL | -2.07 | 194005190_OAK_BAL |
| Sid Hudson | MIN | -1.41 | 194005200_MIN_CHA |
| Al Smith | CLE | -0.95 | 194005200_NYA_CLE |
| Herman Besse | OAK | -0.7 | 194005190_OAK_BAL |
| Ike Pearson | PHI | -0.41 | 194005200_PIT_PHI |
Based on accumulated WAA for this season up to 1940-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.16 | Larry French | 62 | CHN |
| +003+ | 2.68 | Bucky Walters | 62 | CIN |
| +004+ | 2.33 | Bob Feller | 59.7 | CLE |
| +007+ | 2.03 | Mace Brown | 41.3 | PIT |
| +011+ | 1.82 | Tex Carleton | 43 | LAN |
| +012+ | 1.81 | Kirby Higbe | 57 | PHI |
| +013+ | 1.8 | Chubby Dean | 54.7 | OAK |
| +015+ | 1.56 | Bob Harris | 24 | BAL |
| +016+ | 1.53 | Red Ruffing | 52.3 | NYA |
| +018+ | 1.48 | Bill Posedel | 46.7 | ATL |
| +019+ | 1.4 | Hal Schumacher | 37.3 | SFN |
| +023+ | 1.28 | Freddie Fitzsimmons | 17.7 | LAN |
| XXXXX | 1.18 | Johnny Allen | 41.7 | CLE |
| XXXXX | 1.16 | Hal Newhouser | 33 | DET |
| XXXXX | 1.15 | Carl Hubbell | 39 | SFN |
| XXXXX | 1.09 | Luke Hamlin | 26.7 | LAN |
| XXXXX | 1.09 | Marius Russo | 22 | NYA |
| XXXXX | 1 | Monte Pearson | 38.3 | NYA |
| XXXXX | 1 | Hugh Mulcahy | 46.7 | PHI |
| XXXXX | 0.93 | Fritz Ostermueller | 12 | BOS |
| 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 | 0.72 | Al Piechota | 9.3 | ATL |
| XXXXX | 0.7 | Johnny Babich | 41.3 | OAK |
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