| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.65 | 191909090_CHA_MIN |
| Hippo Vaughn | CHN | 6.13 | 191909091_SFN_CHN |
| Fred Toney | SFN | 1.81 | 191909100_SFN_CHN |
| Babe Adams | PIT | 1.46 | 191909092_ATL_PIT |
| Carl Mays | NYA | 1.39 | 191909101_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brad Hogg | PHI | -3.04 | 191909100_PHI_CIN |
| Ferdie Schupp | SLN | -1.68 | 191909110_LAN_SLN |
| Bill James | CHA | -1.56 | 191909090_CHA_MIN |
| Hooks Dauss | DET | -0.67 | 191909100_DET_OAK |
| Ray Caldwell | CLE | -0.47 | 191909101_CLE_NYA |
Based on accumulated WAA for this season up to 1919-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.6 | Walter Johnson | 281.7 | MIN |
| +003+ | 8.75 | Eddie Cicotte | 288.7 | CHA |
| +004+ | 8.33 | Hippo Vaughn | 271 | CHN |
| +006+ | 6.88 | Allen Sothoron | 248.7 | BAL |
| +007+ | 6.28 | Dutch Ruether | 219 | CIN |
| +009+ | 5.16 | Pete Alexander | 199 | CHN |
| +013+ | 4.85 | Babe Adams | 233.7 | PIT |
| +015+ | 4.62 | Fred Toney | 160.7 | SFN |
| +018+ | 4.58 | Slim Sallee | 200.7 | CIN |
| +019+ | 4.01 | Leon Cadore | 224.7 | LAN |
| +021+ | 4 | Carl Mays | 230 | TOT |
| +026+ | 3.57 | Jesse Barnes | 264.7 | SFN |
| +029+ | 3.35 | Jimmy Ring | 168 | CIN |
| +034+ | 3.2 | Hod Eller | 223 | CIN |
| +035+ | 3.13 | Jim Shaw | 288.3 | MIN |
| +037+ | 2.98 | Wilbur Cooper | 260.7 | PIT |
| +039+ | 2.87 | Lefty Williams | 279.7 | CHA |
| +041+ | 2.83 | Herb Pennock | 201.7 | BOS |
| +040+ | 2.83 | Hal Carlson | 119.7 | PIT |
| +043+ | 2.82 | Stan Coveleski | 252.7 | CLE |
| +045+ | 2.68 | Claude Hendrix | 187.7 | CHN |
| +047+ | 2.57 | Lee Meadows | 224.7 | TOT |
| +048+ | 2.54 | Al Mamaux | 164 | LAN |
| +049+ | 2.39 | Sherry Smith | 146.7 | LAN |
| +053+ | 2.17 | Rube Benton | 200.3 | SFN |
_