| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 13.64 | 193009161_OAK_CHA |
| Dazzy Vance | LAN | 8.65 | 193009160_SLN_LAN |
| Wes Ferrell | CLE | 5.15 | 193009180_MIN_CLE |
| Bump Hadley | MIN | 2.71 | 193009171_MIN_CLE |
| Milt Gaston | BOS | 1.53 | 193009160_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Claude Willoughby | PHI | -5.94 | 193009160_PIT_PHI |
| Guy Bush | CHN | -4.5 | 193009180_CHN_SFN |
| Red Lucas | CIN | -0.7 | 193009172_CIN_ATL |
| Tommy Thomas | CHA | -0.63 | 193009161_OAK_CHA |
| Waite Hoyt | DET | -0.4 | 193009160_BOS_DET |
Based on accumulated WAA for this season up to 1930-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 14.89 | Lefty Grove | 288.7 | OAK |
| +006+ | 12.67 | Dazzy Vance | 245.3 | LAN |
| +008+ | 10.56 | Wes Ferrell | 293.3 | CLE |
| +016+ | 7.34 | Ted Lyons | 287.7 | CHA |
| +017+ | 7.25 | Lefty Stewart | 261 | BAL |
| +020+ | 6.44 | George Uhle | 237.7 | DET |
| +021+ | 6.31 | Vic Sorrell | 221.7 | DET |
| +025+ | 5.85 | Bump Hadley | 244 | MIN |
| +031+ | 5.15 | General Crowder | 253 | TOT |
| +037+ | 4.72 | Bill Walker | 228.7 | SFN |
| +040+ | 4.58 | Ad Liska | 141.7 | MIN |
| +041+ | 4.51 | Danny MacFayden | 258.3 | BOS |
| +042+ | 4.46 | George Earnshaw | 281.7 | OAK |
| +043+ | 4.35 | Milt Gaston | 255 | BOS |
| +045+ | 4.22 | Pat Malone | 255 | CHN |
| +047+ | 4.21 | Jumbo Elliott | 180.3 | LAN |
| +048+ | 4.2 | Pat Caraway | 184.3 | CHA |
| +049+ | 4.15 | Carl Hubbell | 221.7 | SFN |
| +050+ | 4.09 | Socks Seibold | 240 | ATL |
| +051+ | 4.08 | Ray Kolp | 160.7 | CIN |
| +058+ | 3.19 | George Pipgras | 220 | NYA |
| +060+ | 3.03 | Red Ruffing | 218.3 | TOT |
| +062+ | 2.87 | Sam Jones | 183 | MIN |
| +064+ | 2.85 | Sloppy Thurston | 94 | LAN |
| +066+ | 2.84 | Firpo Marberry | 184.7 | MIN |
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