| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 8.88 | 194109040_CIN_PIT |
| Whit Wyatt | LAN | 7.57 | 194109031_LAN_PHI |
| Bob Feller | CLE | 5.92 | 194109040_CLE_DET |
| Lon Warneke | SLN | 1.64 | 194109041_SLN_CHN |
| Johnny Lanning | PIT | 1.42 | 194109030_CIN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Chase | MIN | -2.32 | 194109030_OAK_MIN |
| Charlie Root | CHN | -2.16 | 194109020_CIN_CHN |
| Lefty Hoerst | PHI | -0.91 | 194109032_LAN_PHI |
| Junior Thompson | CIN | -0.5 | 194109020_CIN_CHN |
| Hal Newhouser | DET | -0.31 | 194109040_CLE_DET |
Based on accumulated WAA for this season up to 1941-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.45 | Whit Wyatt | 254.3 | LAN |
| +005+ | 8.09 | Thornton Lee | 247.3 | CHA |
| +006+ | 7.69 | Elmer Riddle | 175.3 | CIN |
| +007+ | 7.4 | Bucky Walters | 258 | CIN |
| +010+ | 6.46 | Bob Feller | 302 | CLE |
| +015+ | 5.5 | Eddie Smith | 235 | CHA |
| +018+ | 5.41 | Ernie White | 170 | SLN |
| +027+ | 4.38 | Cliff Melton | 172.3 | SFN |
| +030+ | 4.3 | Johnny Vander Meer | 193 | CIN |
| +035+ | 3.82 | Max Butcher | 194.7 | PIT |
| +034+ | 3.82 | Jim Tobin | 193 | ATL |
| +037+ | 3.76 | Claude Passeau | 210.7 | CHN |
| +038+ | 3.74 | Johnny Lanning | 148.7 | PIT |
| +039+ | 3.71 | Jake Mooty | 129.3 | CHN |
| +046+ | 3.41 | Kirby Higbe | 259 | LAN |
| +049+ | 3.25 | Art Johnson | 154.7 | ATL |
| +047+ | 3.25 | Freddie Fitzsimmons | 68.7 | LAN |
| +055+ | 3.05 | Tom Earley | 102 | ATL |
| +056+ | 2.97 | Lon Warneke | 217.7 | SLN |
| +061+ | 2.7 | Sid Hudson | 212 | MIN |
| +063+ | 2.65 | Dutch Leonard | 216 | MIN |
| +065+ | 2.52 | Charlie Wagner | 155.7 | BOS |
| +066+ | 2.48 | Johnny Humphries | 53 | CHA |
| +068+ | 2.4 | Rip Sewell | 222.3 | PIT |
| +069+ | 2.38 | Marius Russo | 179.7 | NYA |
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