| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eppa Rixey | CIN | 8.36 | 192109140_SFN_CIN |
| George Mogridge | MIN | 4.85 | 192109130_BAL_MIN |
| Sad Sam Jones | BOS | 4.18 | 192109130_DET_BOS |
| Stan Coveleski | CLE | 1.81 | 192109140_CLE_OAK |
| Whitey Glazner | PIT | 1.77 | 192109122_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dixie Davis | BAL | -4.37 | 192109140_BAL_MIN |
| Dickey Kerr | CHA | -2.49 | 192109130_CHA_NYA |
| Rollie Naylor | OAK | -1.84 | 192109140_CLE_OAK |
| Jimmy Ring | PHI | -0.87 | 192109130_PHI_CHN |
| Phil Douglas | SFN | -0.71 | 192109140_SFN_CIN |
Based on accumulated WAA for this season up to 1921-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 9.05 | Eppa Rixey | 278.7 | CIN |
| +009+ | 8.16 | Carl Mays | 300.3 | NYA |
| +012+ | 7.01 | Burleigh Grimes | 261.3 | LAN |
| +014+ | 6.83 | Jesse Barnes | 240.3 | SFN |
| +015+ | 6.63 | George Mogridge | 269.3 | MIN |
| +016+ | 6.56 | Bill Doak | 184.3 | SLN |
| +019+ | 5.76 | Sad Sam Jones | 273.7 | BOS |
| +020+ | 5.62 | Waite Hoyt | 249.3 | NYA |
| +023+ | 5.22 | Stan Coveleski | 288 | CLE |
| +025+ | 4.57 | Whitey Glazner | 213.7 | PIT |
| +027+ | 4.29 | Dolf Luque | 286 | CIN |
| +026+ | 4.29 | Bill Pertica | 198 | SLN |
| +028+ | 4.23 | Pete Alexander | 227.3 | CHN |
| +029+ | 4.21 | Wilbur Cooper | 295 | PIT |
| +030+ | 4.2 | Dana Fillingim | 223.3 | ATL |
| +031+ | 4.13 | Joe Oeschger | 276.7 | ATL |
| +034+ | 4.06 | Rube Marquard | 241.7 | CIN |
| +044+ | 3.33 | Bill Sherdel | 123.7 | SLN |
| +045+ | 3.25 | Clarence Mitchell | 165 | LAN |
| +046+ | 3.14 | Johnny Morrison | 122 | PIT |
| +048+ | 2.75 | Bullet Joe Bush | 211.3 | BOS |
| +049+ | 2.63 | Benn Karr | 80.3 | BOS |
| +050+ | 2.58 | Earl Hamilton | 205.7 | PIT |
| +061+ | 2.07 | Bill Piercy | 72.7 | NYA |
| +062+ | 2.06 | Fred Toney | 234.3 | SFN |
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