| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 4.95 | 194107140_BOS_CLE |
| Claude Passeau | CHN | 3.91 | 194107131_CHN_LAN |
| Thornton Lee | CHA | 3.79 | 194107132_NYA_CHA |
| Kirby Higbe | LAN | 2.61 | 194107140_CHN_LAN |
| Lon Warneke | SLN | 1.88 | 194107131_SLN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Dobson | BOS | -2.45 | 194107150_BOS_CLE |
| Johnny Allen | BAL | -1.16 | 194107131_MIN_BAL |
| Lefty Hoerst | PHI | -1.13 | 194107131_SLN_PHI |
| Jack Knott | OAK | -1.07 | 194107130_OAK_DET |
| Jim Bagby | CLE | -0.83 | 194107131_BOS_CLE |
Based on accumulated WAA for this season up to 1941-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.66 | Whit Wyatt | 169.3 | LAN |
| +004+ | 6.79 | Bucky Walters | 159.3 | CIN |
| +005+ | 6.1 | Thornton Lee | 154.3 | CHA |
| +006+ | 5.83 | Kirby Higbe | 181.3 | LAN |
| +009+ | 4.83 | Vern Olsen | 112 | CHN |
| +010+ | 4.82 | Bob Feller | 191.7 | CLE |
| +011+ | 4.43 | Elmer Riddle | 96.3 | CIN |
| +015+ | 3.73 | Claude Passeau | 144.3 | CHN |
| +018+ | 3.64 | Cliff Melton | 111.7 | SFN |
| +020+ | 3.55 | Art Johnson | 94 | ATL |
| +025+ | 3.14 | Lon Warneke | 150.3 | SLN |
| +034+ | 2.76 | Bill Lohrman | 102 | SFN |
| +038+ | 2.66 | Ernie White | 79 | SLN |
| +037+ | 2.66 | Eddie Smith | 160.3 | CHA |
| +039+ | 2.64 | Max Lanier | 83.3 | SLN |
| +042+ | 2.55 | Max Butcher | 120.7 | PIT |
| +045+ | 2.46 | Al Javery | 75.7 | ATL |
| +047+ | 2.41 | Joe Heving | 54 | CLE |
| +050+ | 2.28 | Carl Hubbell | 96.7 | SFN |
| +051+ | 2.2 | Johnny Vander Meer | 124 | CIN |
| +055+ | 2.12 | Ted Lyons | 102.3 | CHA |
| +057+ | 2.01 | Bill Lee | 137.3 | CHN |
| +062+ | 1.73 | Curt Davis | 73.3 | LAN |
| +063+ | 1.72 | Dizzy Trout | 83.3 | DET |
| +064+ | 1.71 | Bob Carpenter | 67.3 | SFN |
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