| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.52 | 192108180_NYA_CHA |
| Eppa Rixey | CIN | 9.31 | 192108190_CIN_SFN |
| Carl Mays | NYA | 5.3 | 192108180_NYA_CHA |
| Jesse Barnes | SFN | 2.99 | 192108190_CIN_SFN |
| George Mogridge | MIN | 2.56 | 192108170_MIN_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -7.83 | 192108190_NYA_CHA |
| Bob Hasty | OAK | -1.49 | 192108180_OAK_CLE |
| Dixie Davis | BAL | -1.48 | 192108180_MIN_BAL |
| Phil Douglas | SFN | -0.85 | 192108180_CIN_SFN |
| Hooks Dauss | DET | -0.8 | 192108191_BOS_DET |
Based on accumulated WAA for this season up to 1921-08-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.04 | Red Faber | 277.3 | CHA |
| +003+ | 9.56 | Eppa Rixey | 230.7 | CIN |
| +010+ | 5.99 | Carl Mays | 246.3 | NYA |
| +011+ | 5.9 | George Mogridge | 214.7 | MIN |
| +012+ | 5.88 | Jesse Barnes | 200.3 | SFN |
| +013+ | 5.79 | Sad Sam Jones | 225 | BOS |
| +015+ | 5.4 | Burleigh Grimes | 210 | LAN |
| +017+ | 5.23 | Bill Doak | 154.7 | SLN |
| +020+ | 4.74 | Whitey Glazner | 182 | PIT |
| +024+ | 3.75 | Hugh McQuillan | 210.3 | ATL |
| +027+ | 3.51 | Stan Coveleski | 242 | CLE |
| +028+ | 3.48 | Babe Adams | 129.3 | PIT |
| +033+ | 3 | Dolf Luque | 228 | CIN |
| +034+ | 2.99 | Wilbur Cooper | 243 | PIT |
| +036+ | 2.91 | Joe Oeschger | 219.3 | ATL |
| +038+ | 2.82 | Waite Hoyt | 195.3 | NYA |
| +042+ | 2.7 | Earl Hamilton | 178 | PIT |
| +046+ | 2.27 | Johnny Morrison | 75 | PIT |
| +047+ | 2.23 | Guy Morton | 70.3 | CLE |
| +048+ | 2.21 | Dana Fillingim | 169.3 | ATL |
| +055+ | 1.98 | Clarence Mitchell | 128.7 | LAN |
| +057+ | 1.94 | Bob Shawkey | 175 | NYA |
| +058+ | 1.93 | Bill Pertica | 155.3 | SLN |
| +061+ | 1.87 | Pete Alexander | 179.3 | CHN |
| +062+ | 1.86 | Mule Watson | 188 | ATL |
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