| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Turner | ATL | 5.33 | 193709192_ATL_CIN |
| Red Ruffing | NYA | 3.87 | 193709181_CHA_NYA |
| Carl Hubbell | SFN | 2.93 | 193709180_SFN_CIN |
| Lee Grissom | CIN | 2.62 | 193709191_ATL_CIN |
| Cy Blanton | PIT | 2.47 | 193709180_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chief Hogsett | BAL | -3.2 | 193709181_BAL_MIN |
| Vern Kennedy | CHA | -1.52 | 193709192_CHA_MIN |
| Roxie Lawson | DET | -1.25 | 193709182_DET_OAK |
| Hugh Mulcahy | PHI | -1.04 | 193709191_PHI_PIT |
| Bump Hadley | NYA | -0.88 | 193709190_DET_NYA |
Based on accumulated WAA for this season up to 1937-09-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 11.05 | Lefty Gomez | 253.3 | NYA |
| +006+ | 9.31 | Jim Turner | 230.7 | ATL |
| +007+ | 8.33 | Cliff Melton | 223.7 | SFN |
| +011+ | 7.53 | Lou Fette | 229.7 | ATL |
| +012+ | 7.49 | Monty Stratton | 160.7 | CHA |
| +014+ | 7.23 | Lefty Grove | 239.7 | BOS |
| +015+ | 7.21 | Danny MacFayden | 237 | ATL |
| +018+ | 6.82 | Red Ruffing | 231.7 | NYA |
| +021+ | 6.06 | Cy Blanton | 233.3 | PIT |
| +023+ | 5.6 | Lee Grissom | 219.7 | CIN |
| +025+ | 5.53 | Russ Bauers | 169.7 | PIT |
| +024+ | 5.53 | Bob Weiland | 248.3 | SLN |
| +026+ | 5.52 | Johnny Allen | 138 | CLE |
| +029+ | 5.42 | Carl Hubbell | 236.7 | SFN |
| +030+ | 5.13 | Waite Hoyt | 176 | TOT |
| +035+ | 4.71 | Bill Lee | 244 | CHN |
| +040+ | 3.96 | Gene Schott | 139 | CIN |
| +041+ | 3.83 | Tex Carleton | 182.3 | CHN |
| +044+ | 3.66 | Ed Brandt | 157.3 | PIT |
| +046+ | 3.52 | Peaches Davis | 197 | CIN |
| +047+ | 3.51 | Slick Castleman | 160.3 | SFN |
| +050+ | 3.23 | Harry Gumbert | 178.7 | SFN |
| +053+ | 3.12 | Charlie Root | 173 | CHN |
| +057+ | 2.88 | Hal Schumacher | 202.7 | SFN |
| +059+ | 2.69 | Si Johnson | 169.7 | SLN |
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