| Starter | Tm | Tier | Game |
|---|---|---|---|
| Paul Derringer | CIN | 7.06 | 194007020_CIN_SLN |
| Bob Feller | CLE | 4.82 | 194007030_BAL_CLE |
| Red Ruffing | NYA | 3.47 | 194007010_NYA_MIN |
| Carl Hubbell | SFN | 3.13 | 194007030_LAN_SFN |
| Dick Errickson | ATL | 2.15 | 194007020_ATL_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -6.55 | 194007020_BAL_CLE |
| Ike Pearson | PHI | -2.23 | 194007020_LAN_PHI |
| George Caster | OAK | -1.9 | 194007022_OAK_BOS |
| Dizzy Trout | DET | -0.7 | 194007030_CHA_DET |
| Joe Dobson | CLE | -0.56 | 194007010_BAL_CLE |
Based on accumulated WAA for this season up to 1940-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.72 | Bob Feller | 145.7 | CLE |
| +004+ | 4.71 | Bucky Walters | 136 | CIN |
| +005+ | 4.61 | Bobo Newsom | 124.7 | DET |
| +007+ | 4.04 | Al Smith | 84.7 | CLE |
| +008+ | 4.01 | Hugh Mulcahy | 128.7 | PHI |
| +009+ | 3.91 | Claude Passeau | 135.7 | CHN |
| +010+ | 3.86 | Al Milnar | 118.7 | CLE |
| +012+ | 3.72 | Paul Derringer | 141 | CIN |
| +018+ | 2.72 | Jake Mooty | 45.3 | CHN |
| +020+ | 2.68 | Dick Errickson | 89.3 | ATL |
| +022+ | 2.63 | Dutch Leonard | 137.7 | MIN |
| +025+ | 2.55 | Vito Tamulis | 59 | LAN |
| +024+ | 2.55 | Johnny Allen | 74 | CLE |
| +027+ | 2.48 | Hal Schumacher | 85 | SFN |
| +029+ | 2.37 | Lon Warneke | 85.3 | SLN |
| +030+ | 2.37 | Mace Brown | 86.3 | PIT |
| +031+ | 2.36 | Jim Turner | 78 | CIN |
| +034+ | 2.24 | Johnny Gorsica | 61.7 | DET |
| +035+ | 2.23 | Ken Raffensberger | 49 | CHN |
| +036+ | 2.22 | Marius Russo | 67 | NYA |
| +037+ | 2.22 | Red Ruffing | 113.7 | NYA |
| +040+ | 2.08 | Bill Lohrman | 72.3 | SFN |
| +042+ | 1.99 | Larry French | 113.7 | CHN |
| +045+ | 1.89 | Carl Hubbell | 96 | SFN |
| +046+ | 1.86 | Monte Pearson | 86.7 | NYA |
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