| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Gomez | NYA | 10.14 | 193709250_NYA_BOS |
| Jim Turner | ATL | 6.88 | 193709272_ATL_SFN |
| Lefty Grove | BOS | 4.1 | 193709250_NYA_BOS |
| Carl Hubbell | SFN | 2.57 | 193709271_ATL_SFN |
| Johnny Allen | CLE | 2.24 | 193709261_DET_CLE |
| 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 1937-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 12.29 | Lefty Gomez | 271.3 | NYA |
| +006+ | 10.48 | Jim Turner | 247.7 | ATL |
| +007+ | 8.71 | Cliff Melton | 235 | SFN |
| +013+ | 7.11 | Danny MacFayden | 237 | ATL |
| +015+ | 6.67 | Lou Fette | 241 | ATL |
| +016+ | 6.59 | Lefty Grove | 253 | BOS |
| +021+ | 6.28 | Cy Blanton | 241.3 | PIT |
| +022+ | 6.12 | Red Ruffing | 238.3 | NYA |
| +023+ | 6 | Johnny Allen | 156 | CLE |
| +025+ | 5.9 | Russ Bauers | 178.7 | PIT |
| +026+ | 5.63 | Carl Hubbell | 252.7 | SFN |
| +028+ | 5.44 | Lee Grissom | 223.7 | CIN |
| +032+ | 4.73 | Waite Hoyt | 189 | TOT |
| +035+ | 4.54 | Bob Weiland | 256.3 | SLN |
| +036+ | 4.5 | Gene Schott | 145.3 | CIN |
| +038+ | 4.48 | Bill Lee | 264 | CHN |
| +040+ | 4.38 | Tex Carleton | 199.3 | CHN |
| +043+ | 4.13 | Ed Brandt | 167.3 | PIT |
| +048+ | 3.5 | Charlie Root | 177.7 | CHN |
| +049+ | 3.44 | Slick Castleman | 160.3 | SFN |
| +052+ | 3.33 | Harry Gumbert | 195.3 | SFN |
| +053+ | 3.25 | Peaches Davis | 204 | CIN |
| +058+ | 3.08 | Si Johnson | 178.7 | SLN |
| +059+ | 3 | Hal Schumacher | 213.3 | SFN |
| +062+ | 2.97 | Thornton Lee | 183.7 | CHA |
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