| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 10.34 | 192108311_BAL_CHA |
| Eppa Rixey | CIN | 5.96 | 192109020_CHN_CIN |
| George Mogridge | MIN | 3.7 | 192109011_MIN_NYA |
| Sad Sam Jones | BOS | 3.56 | 192109010_OAK_BOS |
| Bill Doak | SLN | 3.22 | 192109020_SLN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -9.42 | 192109010_BAL_CHA |
| Dixie Davis | BAL | -2.65 | 192108311_BAL_CHA |
| Bob Hasty | OAK | -1.61 | 192109020_OAK_BOS |
| Jim Bagby | CLE | -1.01 | 192109020_CLE_DET |
| Hooks Dauss | DET | -0.76 | 192108311_CLE_DET |
Based on accumulated WAA for this season up to 1921-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.14 | Red Faber | 302.7 | CHA |
| +007+ | 8.14 | Eppa Rixey | 249.7 | CIN |
| +008+ | 7.27 | George Mogridge | 247.7 | MIN |
| +009+ | 7.2 | Carl Mays | 273.3 | NYA |
| +013+ | 6.48 | Bill Doak | 177.7 | SLN |
| +014+ | 6.48 | Sad Sam Jones | 253.7 | BOS |
| +015+ | 6.15 | Burleigh Grimes | 244.3 | LAN |
| +016+ | 6.02 | Jesse Barnes | 216.3 | SFN |
| +022+ | 4.59 | Waite Hoyt | 230.3 | NYA |
| +023+ | 4.46 | Stan Coveleski | 272 | CLE |
| +025+ | 4.24 | Joe Oeschger | 251.3 | ATL |
| +027+ | 3.87 | Whitey Glazner | 195.7 | PIT |
| +032+ | 3.63 | Dana Fillingim | 197.3 | ATL |
| +034+ | 3.61 | Wilbur Cooper | 270.7 | PIT |
| +036+ | 3.34 | Pete Alexander | 204.3 | CHN |
| +038+ | 3.23 | Bill Pertica | 181 | SLN |
| +039+ | 3.19 | Bill Sherdel | 105 | SLN |
| +042+ | 2.88 | Dolf Luque | 254 | CIN |
| +047+ | 2.49 | Allen Russell | 147.7 | BOS |
| +054+ | 2.01 | Earl Hamilton | 193.7 | PIT |
| +055+ | 1.96 | Rube Marquard | 213.7 | CIN |
| +061+ | 1.91 | Clarence Mitchell | 142.3 | LAN |
| +063+ | 1.88 | Dutch Leonard | 213.3 | DET |
| +064+ | 1.86 | Art Nehf | 212.3 | SFN |
| +066+ | 1.7 | Elam Vangilder | 139.3 | BAL |
_