| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 6 | 194006161_NYA_BAL |
| Paul Derringer | CIN | 5.79 | 194006161_CIN_LAN |
| Carl Hubbell | SFN | 5.61 | 194006161_PIT_SFN |
| Bob Feller | CLE | 2.58 | 194006161_OAK_CLE |
| Lou Fette | ATL | 2.4 | 194006162_CHN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -4.27 | 194006161_NYA_BAL |
| Max Butcher | PIT | -1.98 | 194006161_PIT_SFN |
| Willis Hudlin | MIN | -1.46 | 194006160_MIN_DET |
| Johnny Babich | OAK | -1.05 | 194006162_OAK_CLE |
| Cy Blanton | PHI | -0.35 | 194006162_SLN_PHI |
Based on accumulated WAA for this season up to 1940-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.31 | Bucky Walters | 120.3 | CIN |
| +003+ | 4.27 | Hugh Mulcahy | 105.7 | PHI |
| +005+ | 3.43 | Al Milnar | 96.7 | CLE |
| +007+ | 3.27 | Al Smith | 67.3 | CLE |
| +006+ | 3.27 | Paul Derringer | 116 | CIN |
| +008+ | 3.24 | Bob Feller | 109.7 | CLE |
| +010+ | 2.89 | Claude Passeau | 104.7 | CHN |
| +014+ | 2.49 | Johnny Gorsica | 44.3 | DET |
| +015+ | 2.35 | Larry French | 94.7 | CHN |
| +018+ | 2.17 | Dick Errickson | 66.3 | ATL |
| +019+ | 2.15 | Bobo Newsom | 87.7 | DET |
| +022+ | 2.07 | Dutch Leonard | 110.7 | MIN |
| +024+ | 1.9 | Paul Dean | 28 | SFN |
| +027+ | 1.86 | Vern Olsen | 56.7 | CHN |
| +028+ | 1.85 | Lon Warneke | 70.3 | SLN |
| +029+ | 1.83 | Red Ruffing | 90 | NYA |
| +032+ | 1.77 | Jake Mooty | 25 | CHN |
| +033+ | 1.74 | Carl Hubbell | 78 | SFN |
| +035+ | 1.69 | Luke Hamlin | 71.3 | LAN |
| +037+ | 1.64 | Hal Schumacher | 64 | SFN |
| +041+ | 1.55 | Tex Carleton | 61 | LAN |
| +040+ | 1.55 | Joe Sullivan | 77 | ATL |
| +039+ | 1.55 | Vito Tamulis | 47.7 | LAN |
| +043+ | 1.53 | Elden Auker | 93.3 | BAL |
| +045+ | 1.49 | Freddie Fitzsimmons | 40.3 | LAN |
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