| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 9.52 | 194009182_MIN_CLE |
| Claude Passeau | CHN | 5.67 | 194009190_CHN_SFN |
| Bobo Newsom | DET | 4.07 | 194009200_CLE_DET |
| Paul Derringer | CIN | 3.19 | 194009190_CIN_PHI |
| Ken Chase | MIN | 2.57 | 194009181_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Caster | OAK | -4.01 | 194009181_OAK_DET |
| Bob Harris | BAL | -1.82 | 194009180_BOS_BAL |
| Sid Hudson | MIN | -1.67 | 194009182_MIN_CLE |
| Dizzy Trout | DET | -0.8 | 194009192_OAK_DET |
| Jack Knott | CHA | -0.25 | 194009190_NYA_CHA |
Based on accumulated WAA for this season up to 1940-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.21 | Bob Feller | 302.3 | CLE |
| +003+ | 10.2 | Bucky Walters | 285 | CIN |
| +006+ | 9.38 | Claude Passeau | 267.3 | CHN |
| +010+ | 7.5 | Bobo Newsom | 251 | DET |
| +011+ | 6.58 | Paul Derringer | 286.7 | CIN |
| +014+ | 5.99 | Ken Chase | 247 | MIN |
| +016+ | 5.85 | Johnny Rigney | 263.7 | CHA |
| +020+ | 5.55 | Dick Errickson | 234.3 | ATL |
| +027+ | 4.76 | Dutch Leonard | 268.7 | MIN |
| +028+ | 4.73 | Rip Sewell | 177 | PIT |
| +030+ | 4.54 | Larry French | 232 | CHN |
| +031+ | 4.48 | Tommy Bridges | 191.7 | DET |
| +032+ | 4.33 | Thornton Lee | 221.7 | CHA |
| +034+ | 4.31 | Jim Turner | 170 | CIN |
| +037+ | 4.17 | Vern Olsen | 151.3 | CHN |
| +039+ | 4.08 | Luke Hamlin | 177.3 | LAN |
| +038+ | 4.08 | Red Ruffing | 217 | NYA |
| +041+ | 3.96 | Lon Warneke | 212.7 | SLN |
| +045+ | 3.71 | Manny Salvo | 152 | ATL |
| +046+ | 3.69 | Tiny Bonham | 70.3 | NYA |
| +047+ | 3.66 | Hal Schumacher | 210.7 | SFN |
| +048+ | 3.64 | Al Milnar | 213.3 | CLE |
| +049+ | 3.6 | Junior Thompson | 209.7 | CIN |
| +051+ | 3.51 | Eddie Smith | 191.3 | CHA |
| +052+ | 3.5 | Marius Russo | 174.3 | NYA |
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