| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 10.9 | 193009090_OAK_DET |
| Dazzy Vance | LAN | 8.19 | 193009070_SFN_LAN |
| Bump Hadley | MIN | 2.48 | 193009090_MIN_BAL |
| Lefty Stewart | BAL | 2.24 | 193009070_BAL_DET |
| Milt Gaston | BOS | 1.75 | 193009071_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Claude Willoughby | PHI | -4.74 | 193009082_LAN_PHI |
| Larry Benton | CIN | -0.74 | 193009090_CIN_PHI |
| Jack Russell | BOS | -0.7 | 193009090_BOS_CHA |
| Roy Sherid | NYA | -0.52 | 193009072_BOS_NYA |
| Glenn Spencer | PIT | -0.49 | 193009070_PIT_CHN |
Based on accumulated WAA for this season up to 1930-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 13.8 | Lefty Grove | 271.7 | OAK |
| +007+ | 11.01 | Dazzy Vance | 226.3 | LAN |
| +009+ | 9.67 | Wes Ferrell | 268.3 | CLE |
| +017+ | 6.67 | Bump Hadley | 231 | MIN |
| +018+ | 6.41 | Ted Lyons | 270.7 | CHA |
| +020+ | 6.28 | George Uhle | 229 | DET |
| +021+ | 5.98 | Lefty Stewart | 243 | BAL |
| +024+ | 5.72 | Pat Caraway | 174.7 | CHA |
| +029+ | 5.45 | Milt Gaston | 244 | BOS |
| +031+ | 5.21 | Vic Sorrell | 204.7 | DET |
| +032+ | 5.19 | Bill Walker | 219.7 | SFN |
| +035+ | 4.87 | Ray Kolp | 151.7 | CIN |
| +039+ | 4.4 | George Earnshaw | 266.3 | OAK |
| +043+ | 4.22 | Firpo Marberry | 174.7 | MIN |
| +044+ | 4.13 | Pat Malone | 238 | CHN |
| +045+ | 4.03 | General Crowder | 235.3 | TOT |
| +046+ | 3.8 | George Pipgras | 215 | NYA |
| +047+ | 3.79 | Socks Seibold | 224 | ATL |
| +050+ | 3.67 | Red Ruffing | 198.3 | TOT |
| +051+ | 3.65 | Earl Whitehill | 196.3 | DET |
| +052+ | 3.59 | Benny Frey | 215 | CIN |
| +053+ | 3.56 | Ad Liska | 132.7 | MIN |
| +054+ | 3.51 | Lloyd Brown | 185.3 | MIN |
| +055+ | 3.27 | Jumbo Elliott | 171.7 | LAN |
| +058+ | 3.2 | Sam Jones | 167.3 | MIN |
_