| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 8.34 | 192107260_CHA_MIN |
| Eppa Rixey | CIN | 5.29 | 192107240_CHN_CIN |
| Pete Alexander | CHN | 4.49 | 192107260_LAN_CHN |
| Babe Adams | PIT | 2.15 | 192107250_SFN_PIT |
| Bill Doak | SLN | 2.07 | 192107260_PHI_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -6.71 | 192107240_OAK_CHA |
| Tom Zachary | MIN | -1.15 | 192107260_CHA_MIN |
| Bill Hubbell | PHI | -0.69 | 192107240_PHI_SFN |
| Hooks Dauss | DET | -0.51 | 192107240_MIN_DET |
| Leon Cadore | LAN | -0.44 | 192107240_ATL_LAN |
Based on accumulated WAA for this season up to 1921-07-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.92 | Red Faber | 231.7 | CHA |
| +003+ | 8.65 | Eppa Rixey | 180 | CIN |
| +008+ | 5.56 | Carl Mays | 194.7 | NYA |
| +011+ | 5.46 | George Mogridge | 176.7 | MIN |
| +012+ | 5.08 | Jesse Barnes | 150.7 | SFN |
| +014+ | 4.59 | Burleigh Grimes | 166 | LAN |
| +016+ | 4.5 | Pete Alexander | 139 | CHN |
| +019+ | 3.85 | Sad Sam Jones | 184 | BOS |
| +020+ | 3.81 | Bill Doak | 119.7 | SLN |
| +023+ | 3.63 | Whitey Glazner | 145 | PIT |
| +024+ | 3.55 | Wilbur Cooper | 190 | PIT |
| +026+ | 3.48 | Hugh McQuillan | 166 | ATL |
| +028+ | 3.27 | Babe Adams | 111.3 | PIT |
| +030+ | 3.06 | Dolf Luque | 178.7 | CIN |
| +031+ | 2.85 | Elmer Ponder | 57.7 | TOT |
| +033+ | 2.68 | Dana Fillingim | 139.3 | ATL |
| +035+ | 2.6 | Bob Shawkey | 136.7 | NYA |
| +037+ | 2.55 | Stan Coveleski | 205.7 | CLE |
| +038+ | 2.46 | Waite Hoyt | 159.7 | NYA |
| +039+ | 2.29 | Bullet Joe Bush | 130.7 | BOS |
| +043+ | 2.24 | Joe Oeschger | 173 | ATL |
| +055+ | 1.81 | Herb Pennock | 141 | BOS |
| +058+ | 1.76 | Allen Russell | 118.7 | BOS |
| +062+ | 1.6 | Earl Hamilton | 152.7 | PIT |
| +066+ | 1.57 | Fred Toney | 144.7 | SFN |
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