| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobo Newsom | DET | 5.02 | 194009140_NYA_DET |
| Dick Errickson | ATL | 2.79 | 194009130_SLN_ATL |
| Marius Russo | NYA | 2.06 | 194009130_NYA_DET |
| Ken Chase | MIN | 1.86 | 194009140_MIN_BAL |
| Lon Warneke | SLN | 1.73 | 194009130_SLN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -6.59 | 194009120_MIN_BAL |
| Bill Lee | CHN | -3.21 | 194009140_CHN_PHI |
| Max Butcher | PIT | -2 | 194009122_PIT_LAN |
| Sid Hudson | MIN | -1.42 | 194009130_MIN_BAL |
| Jim Bagby | BOS | -1.04 | 194009130_BOS_CLE |
Based on accumulated WAA for this season up to 1940-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.15 | Bob Feller | 284.3 | CLE |
| +003+ | 10.15 | Bucky Walters | 276 | CIN |
| +008+ | 8.61 | Claude Passeau | 252.3 | CHN |
| +009+ | 7.4 | Bobo Newsom | 236.3 | DET |
| +012+ | 5.91 | Ken Chase | 240 | MIN |
| +016+ | 5.7 | Dick Errickson | 226.7 | ATL |
| +019+ | 5.48 | Paul Derringer | 266.7 | CIN |
| +022+ | 5.14 | Johnny Rigney | 253.7 | CHA |
| +027+ | 4.86 | Vern Olsen | 147.3 | CHN |
| +028+ | 4.75 | Lon Warneke | 209.7 | SLN |
| +030+ | 4.54 | Larry French | 223 | CHN |
| +031+ | 4.53 | Jim Turner | 170 | CIN |
| +033+ | 4.5 | Marius Russo | 174 | NYA |
| +035+ | 4.2 | Vito Tamulis | 147.3 | LAN |
| +036+ | 3.95 | Tommy Bridges | 185.7 | DET |
| +037+ | 3.88 | Hal Schumacher | 201.7 | SFN |
| +038+ | 3.85 | Rip Sewell | 159 | PIT |
| +041+ | 3.75 | Junior Thompson | 201.7 | CIN |
| +042+ | 3.71 | Luke Hamlin | 169.3 | LAN |
| +043+ | 3.7 | Thornton Lee | 212.7 | CHA |
| +044+ | 3.7 | Eddie Smith | 184.3 | CHA |
| +046+ | 3.52 | Tiny Bonham | 64.3 | NYA |
| +047+ | 3.5 | Al Milnar | 205 | CLE |
| +050+ | 3.42 | Red Ruffing | 204 | NYA |
| +051+ | 3.37 | Dutch Leonard | 252.7 | MIN |
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