| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jesse Barnes | SFN | 6.46 | 192107070_LAN_SFN |
| Red Faber | CHA | 4.91 | 192107060_DET_CHA |
| Burleigh Grimes | LAN | 3.34 | 192107060_LAN_SFN |
| Stan Coveleski | CLE | 2.72 | 192107070_OAK_CLE |
| Eppa Rixey | CIN | 2.31 | 192107050_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eric Erickson | MIN | -2.94 | 192107062_MIN_BOS |
| Roy Wilkinson | CHA | -2.25 | 192107072_DET_CHA |
| Howard Ehmke | DET | -1.88 | 192107050_DET_BAL |
| Bob Hasty | OAK | -1.23 | 192107050_OAK_NYA |
| Allen Sothoron | CLE | -1.11 | 192107050_CHA_CLE |
Based on accumulated WAA for this season up to 1921-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.04 | Red Faber | 181.7 | CHA |
| +005+ | 6.33 | Eppa Rixey | 143.3 | CIN |
| +006+ | 6.28 | Carl Mays | 162.7 | NYA |
| +008+ | 5.34 | George Mogridge | 144.7 | MIN |
| +010+ | 4.55 | Burleigh Grimes | 124 | LAN |
| +016+ | 3.89 | Jesse Barnes | 124.7 | SFN |
| +019+ | 3.55 | Whitey Glazner | 119 | PIT |
| +020+ | 3.41 | Wilbur Cooper | 149 | PIT |
| +022+ | 2.99 | Sad Sam Jones | 147.3 | BOS |
| +024+ | 2.93 | Dolf Luque | 149.3 | CIN |
| +027+ | 2.6 | Dana Fillingim | 108.3 | ATL |
| +028+ | 2.59 | Bill Doak | 94.3 | SLN |
| +029+ | 2.54 | Stan Coveleski | 170.7 | CLE |
| +030+ | 2.48 | Allen Russell | 101.7 | BOS |
| +031+ | 2.45 | Johnny Morrison | 42 | PIT |
| +032+ | 2.38 | Herb Pennock | 111.3 | BOS |
| +034+ | 2.34 | Bill Piercy | 63.3 | NYA |
| +042+ | 1.99 | Elam Vangilder | 63.3 | BAL |
| +043+ | 1.98 | Earl Hamilton | 124.7 | PIT |
| +046+ | 1.92 | Fred Toney | 121.7 | SFN |
| +047+ | 1.91 | Roy Moore | 100 | OAK |
| +048+ | 1.81 | Joe Oeschger | 141.7 | ATL |
| +052+ | 1.72 | Waite Hoyt | 126.3 | NYA |
| +053+ | 1.71 | Roy Walker | 83 | SLN |
| +056+ | 1.65 | Red Causey | 50.7 | PHI |
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