| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.74 | 192108270_BOS_CHA |
| Carl Mays | NYA | 5.24 | 192108260_NYA_DET |
| George Mogridge | MIN | 3.39 | 192108250_MIN_DET |
| Sad Sam Jones | BOS | 2.48 | 192108260_BOS_CHA |
| Burleigh Grimes | LAN | 1.34 | 192108250_CHN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -11.33 | 192108260_BOS_CHA |
| Bill Bayne | BAL | -1.08 | 192108270_OAK_BAL |
| Huck Betts | PHI | -0.88 | 192108250_CIN_PHI |
| Phil Douglas | SFN | -0.76 | 192108260_PIT_SFN |
| Virgil Cheeves | CHN | -0.67 | 192108250_CHN_LAN |
Based on accumulated WAA for this season up to 1921-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.65 | Red Faber | 296.3 | CHA |
| +006+ | 8.21 | Eppa Rixey | 239.3 | CIN |
| +008+ | 7.3 | George Mogridge | 232.7 | MIN |
| +009+ | 6.79 | Carl Mays | 264.3 | NYA |
| +011+ | 6.24 | Bill Doak | 172.7 | SLN |
| +014+ | 5.81 | Sad Sam Jones | 241.3 | BOS |
| +017+ | 5.6 | Jesse Barnes | 207.3 | SFN |
| +019+ | 4.93 | Burleigh Grimes | 226.3 | LAN |
| +022+ | 4.46 | Stan Coveleski | 260 | CLE |
| +025+ | 3.64 | Waite Hoyt | 213.3 | NYA |
| +026+ | 3.62 | Joe Oeschger | 242.3 | ATL |
| +033+ | 3.18 | Dolf Luque | 246 | CIN |
| +035+ | 3.05 | Babe Adams | 136.3 | PIT |
| +037+ | 2.9 | Bill Pertica | 170.7 | SLN |
| +039+ | 2.82 | Wilbur Cooper | 262 | PIT |
| +040+ | 2.8 | Dana Fillingim | 188.3 | ATL |
| +042+ | 2.65 | Pete Alexander | 188.3 | CHN |
| +044+ | 2.54 | Allen Russell | 147.7 | BOS |
| +046+ | 2.49 | Earl Hamilton | 192 | PIT |
| +047+ | 2.47 | Hugh McQuillan | 216.3 | ATL |
| +049+ | 2.35 | Bill Sherdel | 96 | SLN |
| +055+ | 2.14 | Rube Marquard | 206.7 | CIN |
| +058+ | 1.99 | Fred Toney | 204.7 | SFN |
| +062+ | 1.93 | Clarence Mitchell | 142.3 | LAN |
| +066+ | 1.76 | Johnny Morrison | 81 | PIT |
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