| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Turner | ATL | 6.88 | 193709272_ATL_SFN |
| Red Ruffing | NYA | 2.66 | 193709281_NYA_MIN |
| Carl Hubbell | SFN | 2.57 | 193709271_ATL_SFN |
| Johnny Allen | CLE | 2.24 | 193709261_DET_CLE |
| Lee Grissom | CIN | 2.13 | 193709262_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Koupal | BAL | -2.93 | 193709262_BAL_CHA |
| Roxie Lawson | DET | -1.68 | 193709261_DET_CLE |
| Wayne LaMaster | PHI | -1.56 | 193709260_ATL_PHI |
| Vern Kennedy | CHA | -1.45 | 193709262_BAL_CHA |
| Bump Hadley | NYA | -1.41 | 193709260_NYA_BOS |
Based on accumulated WAA for this season up to 1937-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 12.26 | Lefty Gomez | 271.3 | NYA |
| +006+ | 10.44 | Jim Turner | 247.7 | ATL |
| +007+ | 8.67 | Cliff Melton | 235 | SFN |
| +013+ | 7.07 | Danny MacFayden | 237 | ATL |
| +014+ | 6.97 | Red Ruffing | 247.3 | NYA |
| +017+ | 6.63 | Lou Fette | 241 | ATL |
| +018+ | 6.54 | Lefty Grove | 253 | BOS |
| +021+ | 6.24 | Cy Blanton | 241.3 | PIT |
| +023+ | 5.96 | Johnny Allen | 156 | CLE |
| +025+ | 5.86 | Russ Bauers | 178.7 | PIT |
| +027+ | 5.58 | Carl Hubbell | 252.7 | SFN |
| +028+ | 5.39 | Lee Grissom | 223.7 | CIN |
| +032+ | 4.79 | Ed Brandt | 176.3 | PIT |
| +033+ | 4.7 | Waite Hoyt | 189 | TOT |
| +035+ | 4.52 | Bob Weiland | 256.3 | SLN |
| +038+ | 4.48 | Gene Schott | 145.3 | CIN |
| +039+ | 4.43 | Bill Lee | 264 | CHN |
| +041+ | 4.35 | Tex Carleton | 199.3 | CHN |
| +046+ | 3.59 | Peaches Davis | 212 | CIN |
| +047+ | 3.47 | Charlie Root | 177.7 | CHN |
| +050+ | 3.41 | Slick Castleman | 160.3 | SFN |
| +053+ | 3.29 | Harry Gumbert | 195.3 | SFN |
| +058+ | 3.04 | Si Johnson | 182.7 | SLN |
| +062+ | 2.97 | Hal Schumacher | 213.3 | SFN |
| +064+ | 2.77 | Monte Pearson | 135.7 | NYA |
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