| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 10.34 | 192108311_BAL_CHA |
| Carl Mays | NYA | 5.53 | 192108300_NYA_MIN |
| George Mogridge | MIN | 3.7 | 192109011_MIN_NYA |
| Sad Sam Jones | BOS | 3.56 | 192109010_OAK_BOS |
| Bill Doak | SLN | 3.51 | 192108301_SLN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -9.42 | 192109010_BAL_CHA |
| Dixie Davis | BAL | -2.65 | 192108311_BAL_CHA |
| Hooks Dauss | DET | -0.76 | 192108311_CLE_DET |
| Tom Zachary | MIN | -0.54 | 192108310_NYA_MIN |
| Rip Collins | NYA | -0.46 | 192108310_NYA_MIN |
Based on accumulated WAA for this season up to 1921-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.19 | Red Faber | 302.7 | CHA |
| +005+ | 8.89 | Eppa Rixey | 248.3 | CIN |
| +008+ | 7.29 | George Mogridge | 247.7 | MIN |
| +009+ | 7.24 | Carl Mays | 273.3 | NYA |
| +013+ | 6.52 | Sad Sam Jones | 253.7 | BOS |
| +014+ | 6.51 | Bill Doak | 177.7 | SLN |
| +015+ | 6.19 | Burleigh Grimes | 244.3 | LAN |
| +016+ | 6.05 | Jesse Barnes | 216.3 | SFN |
| +022+ | 4.5 | Stan Coveleski | 272 | CLE |
| +023+ | 4.28 | Joe Oeschger | 251.3 | ATL |
| +025+ | 3.99 | Waite Hoyt | 221.3 | NYA |
| +026+ | 3.9 | Whitey Glazner | 195.7 | PIT |
| +031+ | 3.66 | Dana Fillingim | 197.3 | ATL |
| +032+ | 3.64 | Wilbur Cooper | 270.7 | PIT |
| +036+ | 3.25 | Bill Pertica | 181 | SLN |
| +038+ | 3.21 | Bill Sherdel | 105 | SLN |
| +040+ | 2.93 | Dolf Luque | 254 | CIN |
| +046+ | 2.52 | Pete Alexander | 195.3 | CHN |
| +047+ | 2.51 | Allen Russell | 147.7 | BOS |
| +056+ | 2.03 | Earl Hamilton | 193.7 | PIT |
| +057+ | 2 | Rube Marquard | 213.7 | CIN |
| +060+ | 1.93 | Clarence Mitchell | 142.3 | LAN |
| +063+ | 1.91 | Dutch Leonard | 213.3 | DET |
| +064+ | 1.89 | Art Nehf | 212.3 | SFN |
| +067+ | 1.72 | Elam Vangilder | 139.3 | BAL |
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