| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 9.24 | 192109242_CHA_OAK |
| Carl Mays | NYA | 4.25 | 192109250_CLE_NYA |
| Bill Doak | SLN | 2.65 | 192109240_SFN_SLN |
| Sad Sam Jones | BOS | 2.36 | 192109242_BAL_BOS |
| George Mogridge | MIN | 2.34 | 192109230_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Wilkinson | CHA | -3.59 | 192109231_CHA_OAK |
| Dixie Davis | BAL | -2.86 | 192109241_BAL_BOS |
| Harvey Freeman | OAK | -2.1 | 192109242_CHA_OAK |
| Ray Caldwell | CLE | -1.8 | 192109250_CLE_NYA |
| Jimmy Ring | PHI | -1.21 | 192109240_PHI_PIT |
Based on accumulated WAA for this season up to 1921-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.17 | Red Faber | 321.7 | CHA |
| +009+ | 9 | Burleigh Grimes | 285.3 | LAN |
| +010+ | 8.32 | Eppa Rixey | 284.7 | CIN |
| +012+ | 7.62 | Carl Mays | 325.7 | NYA |
| +013+ | 7.19 | Bill Doak | 202 | SLN |
| +016+ | 6.78 | George Mogridge | 279.7 | MIN |
| +018+ | 6.27 | Waite Hoyt | 271.7 | NYA |
| +020+ | 5.69 | Whitey Glazner | 227.3 | PIT |
| +021+ | 5.65 | Jesse Barnes | 258.7 | SFN |
| +022+ | 5.52 | Sad Sam Jones | 289.7 | BOS |
| +024+ | 5.18 | Wilbur Cooper | 309 | PIT |
| +025+ | 5.08 | Stan Coveleski | 304 | CLE |
| +026+ | 4.9 | Dolf Luque | 304 | CIN |
| +030+ | 4.55 | Babe Adams | 153 | PIT |
| +034+ | 4.02 | Pete Alexander | 246.3 | CHN |
| +035+ | 4 | Clarence Mitchell | 172 | LAN |
| +037+ | 3.94 | Bill Pertica | 201 | SLN |
| +039+ | 3.69 | Johnny Morrison | 139 | PIT |
| +041+ | 3.68 | Rube Marquard | 255.7 | CIN |
| +044+ | 3.31 | Walter Johnson | 247 | MIN |
| +045+ | 3.29 | Joe Oeschger | 299 | ATL |
| +046+ | 3.22 | Dana Fillingim | 230.7 | ATL |
| +048+ | 3.21 | Jesse Haines | 235.3 | SLN |
| +051+ | 2.94 | Urban Shocker | 317.7 | BAL |
| +052+ | 2.87 | Bullet Joe Bush | 235.3 | BOS |
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