| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.74 | 192108270_BOS_CHA |
| Eppa Rixey | CIN | 5.73 | 192108290_CIN_ATL |
| George Mogridge | MIN | 4.24 | 192108280_MIN_CLE |
| Jesse Barnes | SFN | 2.79 | 192108280_CHN_SFN |
| Stan Coveleski | CLE | 2.23 | 192108280_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dickey Kerr | CHA | -1.46 | 192108280_BOS_CHA |
| Bill Bayne | BAL | -1.08 | 192108270_OAK_BAL |
| Bob Hasty | OAK | -1.03 | 192108280_OAK_BAL |
| Rip Collins | NYA | -0.65 | 192108270_NYA_DET |
| Lee Meadows | PHI | -0.5 | 192108270_CIN_PHI |
Based on accumulated WAA for this season up to 1921-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.59 | Red Faber | 296.3 | CHA |
| +004+ | 8.86 | Eppa Rixey | 248.3 | CIN |
| +008+ | 7.34 | George Mogridge | 239.7 | MIN |
| +009+ | 6.81 | Carl Mays | 264.3 | NYA |
| +014+ | 6.08 | Sad Sam Jones | 244.7 | BOS |
| +015+ | 6.03 | Jesse Barnes | 216.3 | SFN |
| +018+ | 5.34 | Burleigh Grimes | 235.3 | LAN |
| +021+ | 4.88 | Stan Coveleski | 269 | CLE |
| +024+ | 3.71 | Waite Hoyt | 218.3 | NYA |
| +027+ | 3.62 | Joe Oeschger | 242.3 | ATL |
| +026+ | 3.62 | Wilbur Cooper | 270.7 | PIT |
| +034+ | 3.17 | Dolf Luque | 246 | CIN |
| +036+ | 3.06 | Babe Adams | 136.3 | PIT |
| +038+ | 2.89 | Bill Pertica | 170.7 | SLN |
| +041+ | 2.8 | Dana Fillingim | 188.3 | ATL |
| +043+ | 2.59 | Johnny Morrison | 90 | PIT |
| +044+ | 2.51 | Allen Russell | 147.7 | BOS |
| +047+ | 2.5 | Earl Hamilton | 192 | PIT |
| +046+ | 2.5 | Pete Alexander | 195.3 | CHN |
| +050+ | 2.35 | Bill Sherdel | 96 | SLN |
| +056+ | 2.14 | Rube Marquard | 206.7 | CIN |
| +061+ | 1.93 | Clarence Mitchell | 142.3 | LAN |
| +065+ | 1.75 | Dutch Leonard | 204.3 | DET |
| +066+ | 1.74 | Walter Johnson | 193 | MIN |
| +068+ | 1.64 | Eric Erickson | 144.3 | MIN |
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