| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.04 | 192109300_CLE_CHA |
| Carl Mays | NYA | 4.2 | 192110011_OAK_NYA |
| Bill Doak | SLN | 3.35 | 192109291_PIT_SLN |
| George Mogridge | MIN | 3.14 | 192109300_MIN_BOS |
| Sad Sam Jones | BOS | 1.8 | 192109290_MIN_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dickey Kerr | CHA | -4.45 | 192109290_CLE_CHA |
| Bill Bayne | BAL | -1.41 | 192110010_BAL_DET |
| Jimmy Ring | PHI | -0.98 | 192110012_SFN_PHI |
| Slim Harriss | OAK | -0.78 | 192109290_NYA_OAK |
| Bob Shawkey | NYA | -0.54 | 192109290_NYA_OAK |
Based on accumulated WAA for this season up to 1921-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.35 | Red Faber | 330.7 | CHA |
| +009+ | 8.5 | Eppa Rixey | 293.7 | CIN |
| +011+ | 8.04 | Burleigh Grimes | 293.3 | LAN |
| +012+ | 7.85 | Carl Mays | 336 | NYA |
| +013+ | 7.05 | Bill Doak | 208.7 | SLN |
| +016+ | 6.75 | George Mogridge | 288.7 | MIN |
| +018+ | 6.38 | Waite Hoyt | 282.7 | NYA |
| +019+ | 6.21 | Whitey Glazner | 234 | PIT |
| +020+ | 5.91 | Sad Sam Jones | 298.7 | BOS |
| +022+ | 5.62 | Jesse Barnes | 258.7 | SFN |
| +025+ | 5.05 | Clarence Mitchell | 190 | LAN |
| +026+ | 4.9 | Stan Coveleski | 315.3 | CLE |
| +027+ | 4.86 | Dolf Luque | 304 | CIN |
| +028+ | 4.84 | Wilbur Cooper | 318 | PIT |
| +036+ | 4.08 | Rube Marquard | 264.7 | CIN |
| +038+ | 3.83 | Pete Alexander | 251.3 | CHN |
| +040+ | 3.68 | Urban Shocker | 326.7 | BAL |
| +041+ | 3.59 | Bill Pertica | 207.7 | SLN |
| +042+ | 3.47 | Johnny Morrison | 144 | PIT |
| +045+ | 3.25 | Joe Oeschger | 299 | ATL |
| +047+ | 3.19 | Walter Johnson | 255 | MIN |
| +049+ | 3.07 | Bullet Joe Bush | 253.3 | BOS |
| +050+ | 3.06 | Jesse Haines | 244.3 | SLN |
| +052+ | 2.98 | Dana Fillingim | 239.7 | ATL |
| +053+ | 2.88 | Bill Sherdel | 144.3 | SLN |
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