| 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 |
| Stan Coveleski | CLE | 1.2 | 192109260_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dickey Kerr | CHA | -3.58 | 192109241_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 1921-09-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.16 | Red Faber | 321.7 | CHA |
| +009+ | 8.97 | Burleigh Grimes | 285.3 | LAN |
| +010+ | 8.29 | Eppa Rixey | 284.7 | CIN |
| +012+ | 7.71 | Carl Mays | 327 | NYA |
| +013+ | 7.17 | Bill Doak | 202 | SLN |
| +017+ | 6.75 | George Mogridge | 279.7 | MIN |
| +018+ | 6.07 | Waite Hoyt | 278.7 | NYA |
| +020+ | 5.67 | Whitey Glazner | 227.3 | PIT |
| +021+ | 5.63 | Jesse Barnes | 258.7 | SFN |
| +022+ | 5.49 | Sad Sam Jones | 289.7 | BOS |
| +024+ | 5.16 | Wilbur Cooper | 309 | PIT |
| +025+ | 4.87 | Dolf Luque | 304 | CIN |
| +026+ | 4.76 | Babe Adams | 160 | PIT |
| +030+ | 4.45 | Stan Coveleski | 306.3 | CLE |
| +035+ | 3.99 | Pete Alexander | 246.3 | CHN |
| +036+ | 3.99 | Clarence Mitchell | 172 | LAN |
| +037+ | 3.98 | Bill Pertica | 206 | SLN |
| +040+ | 3.68 | Johnny Morrison | 139 | PIT |
| +041+ | 3.65 | Rube Marquard | 255.7 | CIN |
| +044+ | 3.28 | Walter Johnson | 247 | MIN |
| +045+ | 3.26 | Joe Oeschger | 299 | ATL |
| +046+ | 3.2 | Dana Fillingim | 230.7 | ATL |
| +048+ | 3.19 | Jesse Haines | 235.3 | SLN |
| +051+ | 2.91 | Urban Shocker | 317.7 | BAL |
| +052+ | 2.85 | Bullet Joe Bush | 235.3 | BOS |
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