| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 6.89 | 194007170_CLE_NYA |
| Paul Derringer | CIN | 6.49 | 194007170_ATL_CIN |
| Bobo Newsom | DET | 3.58 | 194007171_DET_BOS |
| Carl Hubbell | SFN | 1.86 | 194007180_SFN_PIT |
| Marius Russo | NYA | 1.72 | 194007160_CHA_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Caster | OAK | -3.05 | 194007160_DET_OAK |
| Jack Wilson | BOS | -1.72 | 194007171_DET_BOS |
| Bob Harris | BAL | -1.39 | 194007180_BAL_OAK |
| Bill Dietrich | CHA | -1.14 | 194007170_CHA_MIN |
| Joe Krakauskas | MIN | -1 | 194007160_CLE_MIN |
Based on accumulated WAA for this season up to 1940-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.05 | Bob Feller | 176 | CLE |
| +003+ | 5.91 | Bobo Newsom | 146.7 | DET |
| +004+ | 5.81 | Bucky Walters | 163 | CIN |
| +005+ | 5.21 | Claude Passeau | 152.3 | CHN |
| +009+ | 4.25 | Vito Tamulis | 80.7 | LAN |
| +010+ | 4.18 | Paul Derringer | 168 | CIN |
| +012+ | 3.88 | Al Smith | 100.3 | CLE |
| +014+ | 3.49 | Jake Mooty | 70 | CHN |
| +020+ | 3.21 | Vern Olsen | 87 | CHN |
| +022+ | 3.2 | Hugh Mulcahy | 154 | PHI |
| +025+ | 3.07 | Ted Lyons | 96 | CHA |
| +024+ | 3.07 | Dick Errickson | 113.3 | ATL |
| +026+ | 3.06 | Dutch Leonard | 162.7 | MIN |
| +027+ | 3.01 | Jim Turner | 95 | CIN |
| +028+ | 2.93 | Larry French | 139.3 | CHN |
| +029+ | 2.78 | Al Milnar | 138.7 | CLE |
| +031+ | 2.76 | Manny Salvo | 56.3 | ATL |
| +033+ | 2.75 | Marius Russo | 93.7 | NYA |
| +035+ | 2.7 | Bill Lohrman | 91.3 | SFN |
| +036+ | 2.53 | Ken Raffensberger | 64.3 | CHN |
| +039+ | 2.42 | Junior Thompson | 131.3 | CIN |
| +040+ | 2.4 | Lon Warneke | 107.3 | SLN |
| +042+ | 2.35 | Mace Brown | 100.7 | PIT |
| +045+ | 2.19 | Johnny Allen | 78.7 | CLE |
| +046+ | 2.16 | Red Ruffing | 126.7 | NYA |
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