| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -5.68 | 194006290_MIN_BOS |
| Vern Kennedy | BAL | -5.15 | 194006292_DET_BAL |
| Buck Ross | OAK | -1.24 | 194006280_OAK_NYA |
| Ken Heintzelman | PIT | -0.53 | 194006280_SLN_PIT |
| Schoolboy Rowe | DET | -0.26 | 194006292_DET_BAL |
Based on accumulated WAA for this season up to 1940-06-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.25 | Bob Feller | 136.7 | CLE |
| +002+ | 4.65 | Bucky Walters | 127 | CIN |
| +005+ | 4.09 | Al Smith | 76.7 | CLE |
| +006+ | 4.07 | Hugh Mulcahy | 122.7 | PHI |
| +008+ | 3.78 | Claude Passeau | 125.7 | CHN |
| +009+ | 3.74 | Paul Derringer | 133 | CIN |
| +010+ | 3.73 | Bobo Newsom | 115.7 | DET |
| +013+ | 3.5 | Al Milnar | 110.7 | CLE |
| +018+ | 2.7 | Jake Mooty | 43 | CHN |
| +019+ | 2.66 | Dutch Leonard | 129.7 | MIN |
| +021+ | 2.52 | Hal Schumacher | 79 | SFN |
| +023+ | 2.45 | Larry French | 107.7 | CHN |
| +025+ | 2.41 | Dick Errickson | 80.3 | ATL |
| +026+ | 2.35 | Junior Thompson | 109.3 | CIN |
| +027+ | 2.33 | Jim Turner | 78 | CIN |
| +028+ | 2.28 | Paul Dean | 36 | SFN |
| +029+ | 2.26 | Johnny Allen | 71 | CLE |
| +032+ | 2.25 | Marius Russo | 67 | NYA |
| +033+ | 2.21 | Red Ruffing | 104.7 | NYA |
| +036+ | 2.08 | Bill Lohrman | 72.3 | SFN |
| +037+ | 2.07 | Mace Brown | 83.3 | PIT |
| +039+ | 2.02 | Vern Olsen | 57.7 | CHN |
| +041+ | 1.91 | Lon Warneke | 76.3 | SLN |
| +040+ | 1.91 | Vito Tamulis | 52.3 | LAN |
| +044+ | 1.83 | Joe Sullivan | 85 | ATL |
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