| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Mays | NYA | 9.32 | 192107090_NYA_CHA |
| Red Faber | CHA | 5.14 | 192107100_NYA_CHA |
| Wilbur Cooper | PIT | 3.46 | 192107080_PIT_LAN |
| Burleigh Grimes | LAN | 2.95 | 192107100_PIT_LAN |
| Pete Alexander | CHN | 2.45 | 192107080_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dickey Kerr | CHA | -3.12 | 192107080_NYA_CHA |
| Bob Hasty | OAK | -1.95 | 192107102_OAK_CLE |
| Carl Holling | DET | -1.49 | 192107080_BOS_DET |
| Dixie Davis | BAL | -1.33 | 192107080_MIN_BAL |
| Harry Courtney | MIN | -0.98 | 192107090_MIN_BAL |
Based on accumulated WAA for this season up to 1921-07-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.46 | Red Faber | 190.7 | CHA |
| +005+ | 6.3 | Eppa Rixey | 143.3 | CIN |
| +008+ | 5.45 | Carl Mays | 171 | NYA |
| +009+ | 5.36 | George Mogridge | 153.7 | MIN |
| +010+ | 4.75 | Burleigh Grimes | 133 | LAN |
| +014+ | 4.18 | Whitey Glazner | 128 | PIT |
| +015+ | 4.05 | Jesse Barnes | 126.7 | SFN |
| +020+ | 3.62 | Wilbur Cooper | 158 | PIT |
| +023+ | 2.95 | Sad Sam Jones | 147.3 | BOS |
| +026+ | 2.75 | Dolf Luque | 156.3 | CIN |
| +027+ | 2.58 | Bill Doak | 94.3 | SLN |
| +028+ | 2.57 | Dana Fillingim | 108.3 | ATL |
| +029+ | 2.5 | Stan Coveleski | 170.7 | CLE |
| +031+ | 2.44 | Allen Russell | 101.7 | BOS |
| +033+ | 2.36 | Roy Walker | 92 | SLN |
| +034+ | 2.34 | Herb Pennock | 111.3 | BOS |
| +035+ | 2.28 | Bill Piercy | 63.3 | NYA |
| +041+ | 1.97 | Earl Hamilton | 124.7 | PIT |
| +044+ | 1.94 | Rosy Ryan | 89.7 | SFN |
| +045+ | 1.91 | Roy Moore | 100 | OAK |
| +046+ | 1.88 | Fred Toney | 121.7 | SFN |
| +048+ | 1.88 | Waite Hoyt | 133.7 | NYA |
| +053+ | 1.77 | Joe Oeschger | 141.7 | ATL |
| +052+ | 1.77 | Johnny Morrison | 46 | PIT |
| +054+ | 1.72 | Pete Alexander | 92.3 | CHN |
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