| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.04 | 192108120_CHA_CLE |
| Eppa Rixey | CIN | 6.38 | 192108110_CIN_SLN |
| Carl Mays | NYA | 4.91 | 192108131_NYA_OAK |
| Jesse Barnes | SFN | 3.64 | 192108112_LAN_SFN |
| Bill Doak | SLN | 2.32 | 192108110_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Wilkinson | CHA | -3.37 | 192108130_CHA_CLE |
| Bob Hasty | OAK | -1.13 | 192108110_NYA_OAK |
| Lee Meadows | PHI | -0.83 | 192108110_PHI_ATL |
| Speed Martin | CHN | -0.7 | 192108112_CHN_PIT |
| Carl Holling | DET | -0.67 | 192108130_BAL_DET |
Based on accumulated WAA for this season up to 1921-08-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.75 | Red Faber | 260.3 | CHA |
| +003+ | 10.12 | Eppa Rixey | 220 | CIN |
| +009+ | 6.49 | George Mogridge | 210.7 | MIN |
| +010+ | 6.18 | Carl Mays | 239 | NYA |
| +012+ | 5.54 | Burleigh Grimes | 201 | LAN |
| +014+ | 5.37 | Jesse Barnes | 184.3 | SFN |
| +016+ | 5.14 | Bill Doak | 154.7 | SLN |
| +021+ | 4.26 | Whitey Glazner | 173 | PIT |
| +022+ | 4.15 | Stan Coveleski | 240.7 | CLE |
| +024+ | 4.04 | Sad Sam Jones | 207 | BOS |
| +025+ | 3.85 | Hugh McQuillan | 196.7 | ATL |
| +028+ | 3.42 | Wilbur Cooper | 235 | PIT |
| +030+ | 3.36 | Bullet Joe Bush | 164.7 | BOS |
| +033+ | 2.74 | Joe Oeschger | 205 | ATL |
| +036+ | 2.67 | Dolf Luque | 219 | CIN |
| +038+ | 2.62 | Waite Hoyt | 194.7 | NYA |
| +040+ | 2.58 | Earl Hamilton | 170.7 | PIT |
| +043+ | 2.53 | Pete Alexander | 174 | CHN |
| +045+ | 2.48 | Rube Marquard | 190.7 | CIN |
| +047+ | 2.21 | Dana Fillingim | 161 | ATL |
| +056+ | 1.88 | Bill Pertica | 149 | SLN |
| +061+ | 1.67 | Fred Toney | 183 | SFN |
| +066+ | 1.58 | Bob Shawkey | 168 | NYA |
| +065+ | 1.58 | Art Nehf | 175.3 | SFN |
| +069+ | 1.49 | Mule Watson | 180.3 | ATL |
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