| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.74 | 192108270_BOS_CHA |
| Carl Mays | NYA | 5.24 | 192108260_NYA_DET |
| George Mogridge | MIN | 4.24 | 192108280_MIN_CLE |
| Jesse Barnes | SFN | 2.79 | 192108280_CHN_SFN |
| Sad Sam Jones | BOS | 2.48 | 192108260_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -11.33 | 192108260_BOS_CHA |
| Bill Bayne | BAL | -1.08 | 192108270_OAK_BAL |
| Bob Hasty | OAK | -1.03 | 192108280_OAK_BAL |
| Phil Douglas | SFN | -0.76 | 192108260_PIT_SFN |
| Rip Collins | NYA | -0.65 | 192108270_NYA_DET |
Based on accumulated WAA for this season up to 1921-08-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.59 | Red Faber | 296.3 | CHA |
| +007+ | 8.21 | Eppa Rixey | 239.3 | CIN |
| +008+ | 7.33 | George Mogridge | 239.7 | MIN |
| +009+ | 6.81 | Carl Mays | 264.3 | NYA |
| +014+ | 6.08 | Sad Sam Jones | 244.7 | BOS |
| +015+ | 6.02 | Jesse Barnes | 216.3 | SFN |
| +018+ | 5.34 | Burleigh Grimes | 235.3 | LAN |
| +021+ | 4.88 | Stan Coveleski | 269 | CLE |
| +024+ | 3.7 | Waite Hoyt | 218.3 | NYA |
| +026+ | 3.62 | Joe Oeschger | 242.3 | ATL |
| +033+ | 3.17 | Dolf Luque | 246 | CIN |
| +035+ | 3.05 | Babe Adams | 136.3 | PIT |
| +037+ | 2.89 | Bill Pertica | 170.7 | SLN |
| +039+ | 2.82 | Wilbur Cooper | 262 | PIT |
| +041+ | 2.8 | Dana Fillingim | 188.3 | ATL |
| +043+ | 2.58 | Johnny Morrison | 90 | PIT |
| +044+ | 2.51 | Allen Russell | 147.7 | BOS |
| +046+ | 2.49 | Earl Hamilton | 192 | PIT |
| +047+ | 2.48 | Pete Alexander | 195.3 | CHN |
| +049+ | 2.46 | Hugh McQuillan | 216.3 | ATL |
| +050+ | 2.35 | Bill Sherdel | 96 | SLN |
| +057+ | 2.14 | Rube Marquard | 206.7 | CIN |
| +059+ | 1.99 | Fred Toney | 204.7 | SFN |
| +063+ | 1.92 | Clarence Mitchell | 142.3 | LAN |
| +068+ | 1.75 | Dutch Leonard | 204.3 | DET |
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