| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.15 | 192108230_OAK_CHA |
| Eppa Rixey | CIN | 6.73 | 192108241_CIN_PHI |
| Carl Mays | NYA | 4.77 | 192108220_NYA_BAL |
| Bill Doak | SLN | 3.66 | 192108241_SLN_ATL |
| Jesse Barnes | SFN | 3.11 | 192108230_SLN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dixie Davis | BAL | -2.8 | 192108230_BOS_BAL |
| Dickey Kerr | CHA | -2.51 | 192108240_OAK_CHA |
| Ray Caldwell | CLE | -2.32 | 192108230_NYA_CLE |
| Bob Hasty | OAK | -1.75 | 192108240_OAK_CHA |
| Phil Douglas | SFN | -1.34 | 192108242_PIT_SFN |
Based on accumulated WAA for this season up to 1921-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.68 | Red Faber | 287.3 | CHA |
| +004+ | 8.23 | Eppa Rixey | 239.3 | CIN |
| +008+ | 6.66 | George Mogridge | 223.7 | MIN |
| +011+ | 6.37 | Carl Mays | 255.3 | NYA |
| +012+ | 6.26 | Bill Doak | 172.7 | SLN |
| +014+ | 5.63 | Jesse Barnes | 207.3 | SFN |
| +015+ | 5.55 | Sad Sam Jones | 234 | BOS |
| +020+ | 4.49 | Stan Coveleski | 260 | CLE |
| +021+ | 4.32 | Burleigh Grimes | 217.3 | LAN |
| +025+ | 3.65 | Waite Hoyt | 213.3 | NYA |
| +029+ | 3.37 | Whitey Glazner | 186 | PIT |
| +031+ | 3.16 | Allen Russell | 143 | BOS |
| +032+ | 3.03 | Babe Adams | 136.3 | PIT |
| +033+ | 2.95 | Hugh McQuillan | 212.3 | ATL |
| +036+ | 2.81 | Joe Oeschger | 233.3 | ATL |
| +037+ | 2.77 | Wilbur Cooper | 262 | PIT |
| +038+ | 2.76 | Dolf Luque | 237 | CIN |
| +039+ | 2.74 | Bill Pertica | 164.3 | SLN |
| +043+ | 2.64 | Pete Alexander | 188.3 | CHN |
| +046+ | 2.47 | Dana Fillingim | 182.3 | ATL |
| +049+ | 2.38 | Dutch Leonard | 197.3 | DET |
| +051+ | 2.3 | Eric Erickson | 140.3 | MIN |
| +056+ | 2.14 | Earl Hamilton | 184 | PIT |
| +062+ | 1.95 | Mule Watson | 197 | ATL |
| +061+ | 1.95 | Guy Morton | 74.3 | CLE |
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