| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.83 | 194006210_MIN_BAL |
| Vern Kennedy | BAL | -5.15 | 194006210_MIN_BAL |
| Buck Ross | OAK | -2.41 | 194006210_OAK_CHA |
| Joe Dobson | CLE | -0.94 | 194006232_BOS_CLE |
| Mort Cooper | SLN | -0.82 | 194006220_SLN_ATL |
Based on accumulated WAA for this season up to 1940-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.52 | Bucky Walters | 127 | CIN |
| +003+ | 4.44 | Hugh Mulcahy | 114.7 | PHI |
| +004+ | 3.94 | Al Smith | 76.3 | CLE |
| +005+ | 3.9 | Bob Feller | 118.7 | CLE |
| +007+ | 3.46 | Al Milnar | 105.7 | CLE |
| +008+ | 3.4 | Paul Derringer | 124 | CIN |
| +009+ | 3.38 | Claude Passeau | 113.7 | CHN |
| +013+ | 3.15 | Bobo Newsom | 106.7 | DET |
| +020+ | 2.26 | Paul Dean | 36 | SFN |
| +022+ | 2.24 | Junior Thompson | 109.3 | CIN |
| +023+ | 2.22 | Jake Mooty | 34 | CHN |
| +024+ | 2.21 | Dutch Leonard | 119.7 | MIN |
| +027+ | 2.16 | Larry French | 101 | CHN |
| +029+ | 2.15 | Monte Pearson | 73.7 | NYA |
| +028+ | 2.15 | Johnny Allen | 71 | CLE |
| +031+ | 1.98 | Vern Olsen | 57.7 | CHN |
| +032+ | 1.95 | Kirby Higbe | 106.3 | PHI |
| +033+ | 1.93 | Dick Errickson | 72.3 | ATL |
| +035+ | 1.9 | Lon Warneke | 70.3 | SLN |
| +036+ | 1.89 | Marius Russo | 56 | NYA |
| +040+ | 1.73 | Ken Raffensberger | 42 | CHN |
| +041+ | 1.72 | Joe Sullivan | 85 | ATL |
| +048+ | 1.62 | Jim Turner | 69 | CIN |
| +052+ | 1.59 | Mace Brown | 79.3 | PIT |
| +053+ | 1.59 | Hal Schumacher | 70 | SFN |
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