| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 11.04 | 192108120_CHA_CLE |
| Eppa Rixey | CIN | 6.38 | 192108110_CIN_SLN |
| Jesse Barnes | SFN | 3.64 | 192108112_LAN_SFN |
| Bill Doak | SLN | 2.32 | 192108110_CIN_SLN |
| Wilbur Cooper | PIT | 2.23 | 192108120_CHN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shovel Hodge | CHA | -7.87 | 192108100_CHA_NYA |
| Bob Hasty | OAK | -1.13 | 192108110_NYA_OAK |
| Lee Meadows | PHI | -0.83 | 192108110_PHI_ATL |
| Speed Martin | CHN | -0.7 | 192108112_CHN_PIT |
| Tom Zachary | MIN | -0.39 | 192108100_BAL_MIN |
Based on accumulated WAA for this season up to 1921-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.74 | Red Faber | 260.3 | CHA |
| +003+ | 10.11 | Eppa Rixey | 220 | CIN |
| +009+ | 6.5 | George Mogridge | 210.7 | MIN |
| +010+ | 5.76 | Carl Mays | 230 | NYA |
| +013+ | 5.53 | Burleigh Grimes | 201 | LAN |
| +014+ | 5.38 | Jesse Barnes | 184.3 | SFN |
| +018+ | 4.51 | Bill Doak | 145.7 | SLN |
| +020+ | 4.17 | Stan Coveleski | 240.7 | CLE |
| +021+ | 4.08 | Babe Adams | 127.3 | PIT |
| +023+ | 4.04 | Sad Sam Jones | 207 | BOS |
| +024+ | 3.86 | Hugh McQuillan | 196.7 | ATL |
| +028+ | 3.43 | Wilbur Cooper | 235 | PIT |
| +029+ | 3.35 | Bullet Joe Bush | 164.7 | BOS |
| +032+ | 2.75 | Joe Oeschger | 205 | ATL |
| +034+ | 2.67 | Dolf Luque | 219 | CIN |
| +035+ | 2.64 | Waite Hoyt | 194.7 | NYA |
| +039+ | 2.58 | Earl Hamilton | 170.7 | PIT |
| +040+ | 2.52 | Pete Alexander | 174 | CHN |
| +042+ | 2.48 | Rube Marquard | 190.7 | CIN |
| +048+ | 2.21 | Dana Fillingim | 161 | ATL |
| +056+ | 1.89 | Bill Pertica | 149 | SLN |
| +061+ | 1.78 | Guy Morton | 61.3 | CLE |
| +065+ | 1.59 | Art Nehf | 175.3 | SFN |
| +068+ | 1.53 | Bob Shawkey | 167.3 | NYA |
| +073+ | 1.35 | Dutch Leonard | 179.3 | DET |
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