| Starter | Tm | Tier | Game |
|---|---|---|---|
| Thornton Lee | CHA | 7.6 | 194109142_CHA_BOS |
| Elmer Riddle | CIN | 7.15 | 194109160_LAN_CIN |
| Ernie White | SLN | 4.64 | 194109160_SFN_SLN |
| Bob Feller | CLE | 3.35 | 194109141_CLE_NYA |
| Cliff Melton | SFN | 2.51 | 194109142_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Harris | BAL | -4.29 | 194109150_BAL_OAK |
| Ken Chase | MIN | -3.18 | 194109160_DET_MIN |
| Johnny Allen | LAN | -2.31 | 194109150_LAN_CIN |
| Lefty Hoerst | PHI | -1.59 | 194109141_PHI_PIT |
| Hal Newhouser | DET | -1.01 | 194109150_DET_MIN |
Based on accumulated WAA for this season up to 1941-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.87 | Thornton Lee | 273.3 | CHA |
| +005+ | 8.7 | Elmer Riddle | 201.3 | CIN |
| +006+ | 8.51 | Whit Wyatt | 271 | LAN |
| +010+ | 6.8 | Ernie White | 198.3 | SLN |
| +013+ | 6.05 | Bucky Walters | 276 | CIN |
| +018+ | 5.69 | Bob Feller | 318 | CLE |
| +023+ | 5.22 | Johnny Vander Meer | 207 | CIN |
| +026+ | 4.73 | Eddie Smith | 248.3 | CHA |
| +030+ | 4.51 | Jim Tobin | 214 | ATL |
| +031+ | 4.38 | Tom Earley | 120 | ATL |
| +033+ | 4.3 | Cliff Melton | 190.3 | SFN |
| +039+ | 3.8 | Lon Warneke | 235.7 | SLN |
| +040+ | 3.79 | Claude Passeau | 224.7 | CHN |
| +043+ | 3.68 | Max Butcher | 218 | PIT |
| +044+ | 3.63 | Johnny Lanning | 162.7 | PIT |
| +045+ | 3.62 | Freddie Fitzsimmons | 78.7 | LAN |
| +047+ | 3.51 | Johnny Humphries | 67 | CHA |
| +048+ | 3.48 | Kirby Higbe | 283 | LAN |
| +054+ | 3.06 | Dutch Dietz | 90.3 | PIT |
| +055+ | 2.99 | Paul Derringer | 219.3 | CIN |
| +061+ | 2.73 | Charlie Wagner | 166.3 | BOS |
| +064+ | 2.58 | Jake Mooty | 141.3 | CHN |
| +066+ | 2.46 | Tiny Bonham | 115.3 | NYA |
| +068+ | 2.44 | Marius Russo | 191.7 | NYA |
| +071+ | 2.33 | Sid Hudson | 228.7 | MIN |
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