| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burleigh Grimes | LAN | 5.94 | 192109271_LAN_ATL |
| Eppa Rixey | CIN | 4.73 | 192109270_CIN_CHN |
| Carl Mays | NYA | 4.25 | 192109250_CLE_NYA |
| Whitey Glazner | PIT | 1.87 | 192109270_PHI_PIT |
| Stan Coveleski | CLE | 1.2 | 192109260_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Caldwell | CLE | -1.8 | 192109250_CLE_NYA |
| Bill Hubbell | PHI | -0.99 | 192109260_PHI_PIT |
| Virgil Cheeves | CHN | -0.72 | 192109270_CIN_CHN |
| John Russell | CHA | -0.66 | 192109260_CHA_OAK |
| Roy Moore | OAK | -0.54 | 192109260_CHA_OAK |
Based on accumulated WAA for this season up to 1921-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.17 | Red Faber | 321.7 | CHA |
| +009+ | 8.52 | Eppa Rixey | 293.7 | CIN |
| +011+ | 8.07 | Burleigh Grimes | 293.3 | LAN |
| +012+ | 7.72 | Carl Mays | 327 | NYA |
| +013+ | 7.17 | Bill Doak | 202 | SLN |
| +017+ | 6.76 | George Mogridge | 279.7 | MIN |
| +018+ | 6.1 | Whitey Glazner | 232 | PIT |
| +019+ | 6.07 | Waite Hoyt | 278.7 | NYA |
| +021+ | 5.63 | Jesse Barnes | 258.7 | SFN |
| +022+ | 5.52 | Sad Sam Jones | 289.7 | BOS |
| +024+ | 5.17 | Wilbur Cooper | 309 | PIT |
| +025+ | 4.88 | Dolf Luque | 304 | CIN |
| +026+ | 4.85 | Clarence Mitchell | 181 | LAN |
| +027+ | 4.77 | Babe Adams | 160 | PIT |
| +031+ | 4.46 | Stan Coveleski | 306.3 | CLE |
| +037+ | 4 | Pete Alexander | 246.3 | CHN |
| +038+ | 3.98 | Bill Pertica | 206 | SLN |
| +039+ | 3.76 | Urban Shocker | 326.7 | BAL |
| +040+ | 3.69 | Johnny Morrison | 139 | PIT |
| +042+ | 3.66 | Rube Marquard | 255.7 | CIN |
| +045+ | 3.51 | Bullet Joe Bush | 244.3 | BOS |
| +046+ | 3.29 | Walter Johnson | 247 | MIN |
| +047+ | 3.27 | Joe Oeschger | 299 | ATL |
| +049+ | 3.19 | Jesse Haines | 235.3 | SLN |
| +051+ | 3 | Dana Fillingim | 239.7 | ATL |
_