| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 7.77 | 191909150_PHI_CHN |
| Allen Sothoron | BAL | 4.8 | 191909131_BAL_NYA |
| Dutch Ruether | CIN | 3.76 | 191909131_ATL_CIN |
| Dick Rudolph | ATL | 2.63 | 191909150_ATL_SLN |
| Babe Adams | PIT | 2.05 | 191909132_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brad Hogg | PHI | -3.74 | 191909132_PHI_PIT |
| Ferdie Schupp | SLN | -1.99 | 191909150_ATL_SLN |
| Red Causey | ATL | -1.99 | 191909132_ATL_CIN |
| Bert Gallia | BAL | -1.71 | 191909132_BAL_NYA |
| Red Faber | CHA | -1.02 | 191909150_CHA_OAK |
Based on accumulated WAA for this season up to 1919-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.62 | Walter Johnson | 281.7 | MIN |
| +004+ | 8.76 | Hippo Vaughn | 289 | CHN |
| +006+ | 6.81 | Allen Sothoron | 255.7 | BAL |
| +007+ | 6.51 | Dutch Ruether | 228 | CIN |
| +008+ | 5.59 | Pete Alexander | 208 | CHN |
| +009+ | 5.58 | Dick Rudolph | 270.7 | ATL |
| +010+ | 5.5 | Babe Adams | 242.7 | PIT |
| +013+ | 5.23 | Slim Sallee | 209.7 | CIN |
| +017+ | 4.69 | Leon Cadore | 233.7 | LAN |
| +019+ | 4.42 | Carl Mays | 239 | TOT |
| +020+ | 4.24 | Fred Toney | 169.7 | SFN |
| +029+ | 3.55 | Jesse Barnes | 272.7 | SFN |
| +031+ | 3.27 | Hal Carlson | 128.7 | PIT |
| +035+ | 3.02 | Lee Meadows | 233.7 | TOT |
| +036+ | 3.01 | Jimmy Ring | 175 | CIN |
| +038+ | 2.95 | Jim Shaw | 291.3 | MIN |
| +040+ | 2.9 | Claude Hendrix | 196.7 | CHN |
| +041+ | 2.89 | Lefty Williams | 279.7 | CHA |
| +042+ | 2.84 | Herb Pennock | 201.7 | BOS |
| +043+ | 2.84 | Stan Coveleski | 261.7 | CLE |
| +044+ | 2.8 | Wilbur Cooper | 269.7 | PIT |
| +045+ | 2.73 | Ray Fisher | 165 | CIN |
| +046+ | 2.72 | Al Mamaux | 172 | LAN |
| +049+ | 2.69 | Hod Eller | 230.3 | CIN |
| +051+ | 2.42 | Sherry Smith | 155.7 | LAN |
_