| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 6.38 | 194006150_CIN_LAN |
| Red Ruffing | NYA | 6 | 194006161_NYA_BAL |
| 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 |
|---|---|---|---|
| Sid Hudson | MIN | -4.92 | 194006151_MIN_DET |
| Vern Kennedy | BAL | -4.27 | 194006161_NYA_BAL |
| Buck Ross | OAK | -2.73 | 194006150_OAK_CLE |
| Max Butcher | PIT | -1.98 | 194006161_PIT_SFN |
| Mort Cooper | SLN | -1.47 | 194006150_SLN_PHI |
Based on accumulated WAA for this season up to 1940-06-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.2 | Bucky Walters | 112 | CIN |
| +003+ | 3.66 | Hugh Mulcahy | 96.7 | PHI |
| +004+ | 3.5 | Al Milnar | 96.7 | CLE |
| +006+ | 3.31 | Bob Feller | 109.7 | CLE |
| +007+ | 3.31 | Paul Derringer | 116 | CIN |
| +009+ | 2.93 | Claude Passeau | 104.7 | CHN |
| +012+ | 2.63 | Al Smith | 58.3 | CLE |
| +014+ | 2.52 | Johnny Gorsica | 44.3 | DET |
| +015+ | 2.39 | Larry French | 94.7 | CHN |
| +017+ | 2.22 | Dick Errickson | 66.3 | ATL |
| +018+ | 2.21 | Bobo Newsom | 87.7 | DET |
| +024+ | 1.97 | Elden Auker | 86.3 | BAL |
| +027+ | 1.92 | Lon Warneke | 70.3 | SLN |
| +028+ | 1.88 | Vern Olsen | 56.7 | CHN |
| +029+ | 1.88 | Luke Hamlin | 61.7 | LAN |
| +030+ | 1.87 | Red Ruffing | 90 | NYA |
| +031+ | 1.79 | Carl Hubbell | 78 | SFN |
| +032+ | 1.7 | Dutch Leonard | 102 | MIN |
| +035+ | 1.68 | Hal Schumacher | 64 | SFN |
| +037+ | 1.61 | Tex Carleton | 61 | LAN |
| +036+ | 1.61 | Joe Sullivan | 77 | ATL |
| +038+ | 1.61 | Mace Brown | 68.7 | PIT |
| +040+ | 1.54 | Kirby Higbe | 94.3 | PHI |
| +041+ | 1.53 | Freddie Fitzsimmons | 40.3 | LAN |
| +042+ | 1.53 | Johnny Allen | 62 | CLE |
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