| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 8.42 | 194009111_NYA_CLE |
| Bucky Walters | CIN | 7.89 | 194009111_CIN_ATL |
| Claude Passeau | CHN | 5.81 | 194009111_CHN_LAN |
| Dick Errickson | ATL | 2.79 | 194009130_SLN_ATL |
| Marius Russo | NYA | 2.06 | 194009130_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -6.59 | 194009120_MIN_BAL |
| George Caster | OAK | -3.26 | 194009110_OAK_BAL |
| Jack Wilson | BOS | -2.3 | 194009110_BOS_DET |
| Max Butcher | PIT | -2 | 194009122_PIT_LAN |
| Ike Pearson | PHI | -1.78 | 194009110_PIT_PHI |
Based on accumulated WAA for this season up to 1940-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 10.16 | Bucky Walters | 276 | CIN |
| +002+ | 10.16 | Bob Feller | 284.3 | CLE |
| +007+ | 8.6 | Claude Passeau | 252.3 | CHN |
| +009+ | 8.22 | Bobo Newsom | 231.7 | DET |
| +015+ | 5.71 | Dick Errickson | 226.7 | ATL |
| +018+ | 5.49 | Paul Derringer | 266.7 | CIN |
| +019+ | 5.33 | Ken Chase | 232 | MIN |
| +024+ | 5.15 | Johnny Rigney | 253.7 | CHA |
| +025+ | 4.85 | Vern Olsen | 147.3 | CHN |
| +026+ | 4.75 | Lon Warneke | 209.7 | SLN |
| +029+ | 4.53 | Larry French | 223 | CHN |
| +031+ | 4.51 | Marius Russo | 174 | NYA |
| +034+ | 4.2 | Vito Tamulis | 147.3 | LAN |
| +035+ | 4.14 | Jim Turner | 161.3 | CIN |
| +036+ | 3.96 | Tommy Bridges | 185.7 | DET |
| +037+ | 3.84 | Rip Sewell | 159 | PIT |
| +039+ | 3.75 | Junior Thompson | 201.7 | CIN |
| +041+ | 3.71 | Luke Hamlin | 169.3 | LAN |
| +042+ | 3.71 | Eddie Smith | 184.3 | CHA |
| +040+ | 3.71 | Thornton Lee | 212.7 | CHA |
| +043+ | 3.66 | Hal Schumacher | 192.7 | SFN |
| +046+ | 3.52 | Tiny Bonham | 64.3 | NYA |
| +047+ | 3.51 | Al Milnar | 205 | CLE |
| +049+ | 3.43 | Red Ruffing | 204 | NYA |
| +051+ | 3.37 | Dutch Leonard | 252.7 | MIN |
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