| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 9.52 | 194009182_MIN_CLE |
| Bobo Newsom | DET | 4.1 | 194009160_MIN_DET |
| Ken Chase | MIN | 2.57 | 194009181_MIN_CLE |
| Dick Errickson | ATL | 2.34 | 194009170_PIT_ATL |
| Lon Warneke | SLN | 1.91 | 194009180_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -7.45 | 194009160_NYA_BAL |
| George Caster | OAK | -4.01 | 194009181_OAK_DET |
| Jack Wilson | BOS | -3.1 | 194009160_BOS_CHA |
| Max Butcher | PIT | -2.51 | 194009160_PIT_SFN |
| Sid Hudson | MIN | -1.67 | 194009182_MIN_CLE |
Based on accumulated WAA for this season up to 1940-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.65 | Bob Feller | 302.3 | CLE |
| +003+ | 10.24 | Bucky Walters | 285 | CIN |
| +007+ | 8.56 | Claude Passeau | 258.3 | CHN |
| +009+ | 7.83 | Bobo Newsom | 245.3 | DET |
| +012+ | 6.01 | Ken Chase | 247 | MIN |
| +014+ | 5.98 | Paul Derringer | 277.7 | CIN |
| +015+ | 5.87 | Johnny Rigney | 263.7 | CHA |
| +020+ | 5.58 | Dick Errickson | 234.3 | ATL |
| +028+ | 4.57 | Larry French | 232 | CHN |
| +029+ | 4.51 | Tommy Bridges | 191.7 | DET |
| +031+ | 4.34 | Thornton Lee | 221.7 | CHA |
| +032+ | 4.33 | Jim Turner | 170 | CIN |
| +033+ | 4.31 | Rip Sewell | 168 | PIT |
| +034+ | 4.19 | Vern Olsen | 151.3 | CHN |
| +037+ | 4.1 | Luke Hamlin | 177.3 | LAN |
| +038+ | 4.09 | Dutch Leonard | 261.7 | MIN |
| +039+ | 3.98 | Lon Warneke | 212.7 | SLN |
| +041+ | 3.73 | Manny Salvo | 152 | ATL |
| +043+ | 3.7 | Tiny Bonham | 70.3 | NYA |
| +044+ | 3.69 | Hal Schumacher | 210.7 | SFN |
| +045+ | 3.66 | Al Milnar | 213.3 | CLE |
| +046+ | 3.62 | Junior Thompson | 209.7 | CIN |
| +049+ | 3.53 | Marius Russo | 174.3 | NYA |
| +050+ | 3.52 | Eddie Smith | 191.3 | CHA |
| +054+ | 3.45 | Red Ruffing | 208 | NYA |
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