| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 9.16 | 194009211_CIN_PIT |
| Claude Passeau | CHN | 5.67 | 194009190_CHN_SFN |
| Bobo Newsom | DET | 4.07 | 194009200_CLE_DET |
| Rip Sewell | PIT | 1.39 | 194009191_SLN_PIT |
| Lon Warneke | SLN | 1.2 | 194009210_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -6.76 | 194009210_CHA_BAL |
| Max Butcher | PIT | -3.03 | 194009211_CIN_PIT |
| Chubby Dean | OAK | -2.72 | 194009191_OAK_DET |
| Dizzy Trout | DET | -0.8 | 194009192_OAK_DET |
| Jim Bagby | BOS | -0.65 | 194009210_BOS_NYA |
Based on accumulated WAA for this season up to 1940-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.19 | Bob Feller | 302.3 | CLE |
| +003+ | 10.8 | Bucky Walters | 294 | CIN |
| +006+ | 9.32 | Claude Passeau | 267.3 | CHN |
| +010+ | 7.47 | Bobo Newsom | 251 | DET |
| +012+ | 6.55 | Paul Derringer | 286.7 | CIN |
| +014+ | 5.96 | Ken Chase | 247 | MIN |
| +016+ | 5.84 | Johnny Rigney | 263.7 | CHA |
| +021+ | 5.53 | Dick Errickson | 234.3 | ATL |
| +028+ | 4.73 | Dutch Leonard | 268.7 | MIN |
| +029+ | 4.7 | Rip Sewell | 177 | PIT |
| +030+ | 4.56 | Vern Olsen | 162.3 | CHN |
| +031+ | 4.48 | Larry French | 232 | CHN |
| +032+ | 4.46 | Tommy Bridges | 191.7 | DET |
| +033+ | 4.32 | Thornton Lee | 221.7 | CHA |
| +034+ | 4.29 | Jim Turner | 170 | CIN |
| +036+ | 4.26 | Lon Warneke | 223 | SLN |
| +039+ | 4.06 | Red Ruffing | 217 | NYA |
| +042+ | 3.75 | Eddie Smith | 198.3 | CHA |
| +044+ | 3.71 | Tiny Bonham | 79.3 | NYA |
| +045+ | 3.7 | Manny Salvo | 152 | ATL |
| +047+ | 3.69 | Luke Hamlin | 182.3 | LAN |
| +048+ | 3.63 | Hal Schumacher | 210.7 | SFN |
| +051+ | 3.48 | Marius Russo | 174.3 | NYA |
| +055+ | 3.37 | Al Milnar | 219.3 | CLE |
| +060+ | 3.1 | Jake Mooty | 114 | CHN |
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