| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 7.93 | 194008300_CLE_CHA |
| Bucky Walters | CIN | 6.48 | 194008310_CHN_CIN |
| Claude Passeau | CHN | 5.21 | 194008310_CHN_CIN |
| Vito Tamulis | LAN | 2.37 | 194008310_SFN_LAN |
| Carl Hubbell | SFN | 1.49 | 194008310_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Harris | BAL | -1.88 | 194008310_DET_BAL |
| Bill Lee | CHN | -1.69 | 194009011_CHN_CIN |
| George Caster | OAK | -1.32 | 194008310_BOS_OAK |
| Ike Pearson | PHI | -0.82 | 194009012_PHI_ATL |
| Jim Bagby | BOS | -0.66 | 194008310_BOS_OAK |
Based on accumulated WAA for this season up to 1940-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.1 | Bob Feller | 267.3 | CLE |
| +003+ | 8.85 | Claude Passeau | 236.3 | CHN |
| +006+ | 8.47 | Bucky Walters | 256 | CIN |
| +009+ | 7.91 | Bobo Newsom | 202.7 | DET |
| +012+ | 5.7 | Dick Errickson | 200.3 | ATL |
| +017+ | 5.13 | Vito Tamulis | 140.7 | LAN |
| +018+ | 5.08 | Paul Derringer | 244.7 | CIN |
| +019+ | 4.73 | Lon Warneke | 187.3 | SLN |
| +020+ | 4.6 | Marius Russo | 153 | NYA |
| +024+ | 4.33 | Hugh Mulcahy | 237 | PHI |
| +026+ | 4.25 | Larry French | 206 | CHN |
| +027+ | 4.21 | Johnny Rigney | 226.7 | CHA |
| +028+ | 4.15 | Manny Salvo | 130.7 | ATL |
| +029+ | 4.14 | Ken Chase | 208 | MIN |
| +030+ | 4.11 | Jim Turner | 155.3 | CIN |
| +035+ | 3.7 | Junior Thompson | 184 | CIN |
| +038+ | 3.66 | Al Smith | 156 | CLE |
| +040+ | 3.61 | Vern Olsen | 129.3 | CHN |
| +041+ | 3.52 | Rip Sewell | 140 | PIT |
| +042+ | 3.51 | Dutch Leonard | 235.7 | MIN |
| +045+ | 3.38 | Bill Lohrman | 155.7 | SFN |
| +046+ | 3.31 | Whit Wyatt | 220.3 | LAN |
| +047+ | 3.31 | Red Ruffing | 193.7 | NYA |
| +049+ | 3.23 | Carl Hubbell | 171.3 | SFN |
| +051+ | 3.2 | Tommy Bridges | 169.7 | DET |
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