| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Melton | SFN | 6.04 | 193709291_SFN_PHI |
| Danny MacFayden | ATL | 3.69 | 193709301_LAN_ATL |
| Lefty Grove | BOS | 3.52 | 193709291_BOS_MIN |
| Cy Blanton | PIT | 2.72 | 193709290_SLN_PIT |
| Red Ruffing | NYA | 2.66 | 193709281_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Whitehill | CLE | -4.97 | 193709291_CLE_CHA |
| Wayne LaMaster | PHI | -2.47 | 193709292_SFN_PHI |
| Harry Kelley | OAK | -2.15 | 193709301_OAK_NYA |
| Wes Ferrell | MIN | -2.03 | 193709301_BOS_MIN |
| Bump Hadley | NYA | -1.9 | 193709301_OAK_NYA |
Based on accumulated WAA for this season up to 1937-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 12.26 | Lefty Gomez | 271.3 | NYA |
| +006+ | 10.36 | Jim Turner | 247.7 | ATL |
| +007+ | 8.91 | Cliff Melton | 244 | SFN |
| +012+ | 7.47 | Danny MacFayden | 246 | ATL |
| +014+ | 7.23 | Lou Fette | 250 | ATL |
| +015+ | 7.16 | Lefty Grove | 262 | BOS |
| +017+ | 6.98 | Red Ruffing | 247.3 | NYA |
| +021+ | 6.45 | Johnny Allen | 165 | CLE |
| +023+ | 6.24 | Carl Hubbell | 261.7 | SFN |
| +024+ | 6.07 | Russ Bauers | 187.7 | PIT |
| +029+ | 5.45 | Cy Blanton | 242.7 | PIT |
| +030+ | 5.32 | Lee Grissom | 223.7 | CIN |
| +031+ | 5.18 | Tex Carleton | 208.3 | CHN |
| +035+ | 4.73 | Ed Brandt | 176.3 | PIT |
| +036+ | 4.7 | Gene Schott | 154.3 | CIN |
| +037+ | 4.67 | Waite Hoyt | 189 | TOT |
| +041+ | 4.36 | Bill Lee | 264 | CHN |
| +043+ | 4.07 | Bob Weiland | 256.3 | SLN |
| +047+ | 3.53 | Peaches Davis | 212 | CIN |
| +048+ | 3.42 | Charlie Root | 177.7 | CHN |
| +049+ | 3.4 | Slick Castleman | 160.3 | SFN |
| +054+ | 3.13 | Bob Feller | 148.7 | CLE |
| +057+ | 3.01 | Si Johnson | 182.7 | SLN |
| +061+ | 2.95 | Hal Schumacher | 213.3 | SFN |
| +063+ | 2.77 | Monte Pearson | 135.7 | NYA |
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