| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.06 | 191909160_BAL_MIN |
| Hippo Vaughn | CHN | 7.77 | 191909150_PHI_CHN |
| Dutch Ruether | CIN | 3.66 | 191909160_SFN_CIN |
| Dick Rudolph | ATL | 2.63 | 191909150_ATL_SLN |
| Carl Mays | NYA | 1.41 | 191909140_BAL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Larry Cheney | PHI | -2.3 | 191909140_PHI_CHN |
| Ferdie Schupp | SLN | -1.99 | 191909150_ATL_SLN |
| Joe Oeschger | ATL | -1.51 | 191909140_ATL_CIN |
| Red Faber | CHA | -1.02 | 191909150_CHA_OAK |
| Rasty Wright | BAL | -0.63 | 191909140_BAL_NYA |
Based on accumulated WAA for this season up to 1919-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.31 | Walter Johnson | 290.7 | MIN |
| +004+ | 8.82 | Hippo Vaughn | 289 | CHN |
| +006+ | 6.87 | Allen Sothoron | 255.7 | BAL |
| +007+ | 6.56 | Dutch Ruether | 237 | CIN |
| +008+ | 5.84 | Pete Alexander | 217 | CHN |
| +009+ | 5.65 | Dick Rudolph | 270.7 | ATL |
| +010+ | 5.52 | Babe Adams | 242.7 | PIT |
| +012+ | 5.27 | Slim Sallee | 209.7 | CIN |
| +017+ | 4.72 | Leon Cadore | 233.7 | LAN |
| +018+ | 4.71 | Fred Toney | 175.7 | SFN |
| +020+ | 4.47 | Carl Mays | 239 | TOT |
| +028+ | 3.63 | Jesse Barnes | 272.7 | SFN |
| +032+ | 3.28 | Hal Carlson | 128.7 | PIT |
| +034+ | 3.11 | Stan Coveleski | 270.7 | CLE |
| +036+ | 3.07 | Lee Meadows | 233.7 | TOT |
| +037+ | 3.05 | Jimmy Ring | 175 | CIN |
| +038+ | 3.01 | Jim Shaw | 291.3 | MIN |
| +040+ | 2.94 | Claude Hendrix | 196.7 | CHN |
| +039+ | 2.94 | Lefty Williams | 279.7 | CHA |
| +042+ | 2.88 | Herb Pennock | 201.7 | BOS |
| +044+ | 2.82 | Wilbur Cooper | 269.7 | PIT |
| +045+ | 2.77 | Ray Fisher | 165 | CIN |
| +046+ | 2.74 | Al Mamaux | 172 | LAN |
| +047+ | 2.73 | Hod Eller | 230.3 | CIN |
| +051+ | 2.44 | Sherry Smith | 155.7 | LAN |
_