| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.77 | 192108070_CHA_NYA |
| Eppa Rixey | CIN | 8 | 192108050_LAN_CIN |
| Carl Mays | NYA | 5.93 | 192108050_DET_NYA |
| Jesse Barnes | SFN | 3.55 | 192108070_SFN_CHN |
| Pete Alexander | CHN | 2.6 | 192108070_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Wilkinson | CHA | -3.6 | 192108060_CHA_BOS |
| Dixie Davis | BAL | -2.07 | 192108062_BAL_OAK |
| Harry Courtney | MIN | -1.9 | 192108070_BAL_MIN |
| Bob Hasty | OAK | -1.36 | 192108070_OAK_CLE |
| Jim Bagby | CLE | -1.2 | 192108050_CLE_MIN |
Based on accumulated WAA for this season up to 1921-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.85 | Red Faber | 253.3 | CHA |
| +003+ | 9.47 | Eppa Rixey | 211 | CIN |
| +007+ | 6.66 | George Mogridge | 201.3 | MIN |
| +010+ | 5.95 | Carl Mays | 221 | NYA |
| +012+ | 5.53 | Jesse Barnes | 178.3 | SFN |
| +015+ | 4.76 | Bill Doak | 143.7 | SLN |
| +018+ | 4.52 | Burleigh Grimes | 183 | LAN |
| +020+ | 4.1 | Wilbur Cooper | 217 | PIT |
| +021+ | 3.99 | Whitey Glazner | 163 | PIT |
| +022+ | 3.75 | Bullet Joe Bush | 157.7 | BOS |
| +024+ | 3.45 | Babe Adams | 120.3 | PIT |
| +025+ | 3.41 | Sad Sam Jones | 198 | BOS |
| +028+ | 3.37 | Stan Coveleski | 222.7 | CLE |
| +029+ | 3.25 | Pete Alexander | 166 | CHN |
| +030+ | 3.25 | Hugh McQuillan | 183 | ATL |
| +032+ | 3.07 | Dolf Luque | 210 | CIN |
| +033+ | 3.05 | Waite Hoyt | 181.3 | NYA |
| +035+ | 2.66 | Dana Fillingim | 152 | ATL |
| +036+ | 2.64 | Joe Oeschger | 199 | ATL |
| +039+ | 2.47 | Bill Pertica | 146 | SLN |
| +043+ | 2.4 | Earl Hamilton | 161.7 | PIT |
| +056+ | 1.91 | Rube Marquard | 173.7 | CIN |
| +060+ | 1.8 | Guy Morton | 61.3 | CLE |
| +069+ | 1.48 | Slim Harriss | 174.7 | OAK |
| +070+ | 1.42 | Art Nehf | 159.3 | SFN |
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