| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 4.41 | 193708210_CHN_CIN |
| Van Mungo | LAN | 4.05 | 193708192_PHI_LAN |
| Lefty Grove | BOS | 3.77 | 193708200_MIN_BOS |
| Cliff Melton | SFN | 3.57 | 193708210_SFN_PHI |
| Red Ruffing | NYA | 3.42 | 193708190_MIN_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Koupal | BAL | -2.39 | 193708190_CLE_BAL |
| Wes Ferrell | MIN | -1.95 | 193708190_MIN_NYA |
| Hugh Mulcahy | PHI | -1.02 | 193708191_PHI_LAN |
| Buck Ross | OAK | -0.96 | 193708200_OAK_NYA |
| Ray Harrell | SLN | -0.56 | 193708210_SLN_PIT |
Based on accumulated WAA for this season up to 1937-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 9.14 | Monty Stratton | 160.3 | CHA |
| +006+ | 8.2 | Lefty Gomez | 205.7 | NYA |
| +008+ | 6.99 | Dizzy Dean | 180.3 | SLN |
| +011+ | 6.39 | Cliff Melton | 177.3 | SFN |
| +012+ | 6.18 | Jim Turner | 169 | ATL |
| +014+ | 6.11 | Red Ruffing | 182.7 | NYA |
| +015+ | 5.99 | Lou Fette | 185.7 | ATL |
| +016+ | 5.77 | Bill Lee | 202.3 | CHN |
| +017+ | 5.55 | Van Mungo | 160 | LAN |
| +018+ | 5.43 | Lee Grissom | 195 | CIN |
| +019+ | 5.35 | Lefty Grove | 188.7 | BOS |
| +021+ | 5.17 | Danny MacFayden | 192 | ATL |
| +022+ | 5.06 | Carl Hubbell | 191 | SFN |
| +024+ | 4.98 | Cy Blanton | 186.7 | PIT |
| +025+ | 4.84 | Slick Castleman | 154 | SFN |
| +030+ | 4.44 | Russ Bauers | 120.3 | PIT |
| +029+ | 4.44 | Guy Bush | 162.3 | ATL |
| +035+ | 3.7 | Bob Weiland | 189.3 | SLN |
| +037+ | 3.33 | Waite Hoyt | 125.3 | TOT |
| +038+ | 3.19 | Peaches Davis | 157 | CIN |
| +040+ | 3.07 | Al Hollingsworth | 141.7 | CIN |
| +042+ | 2.97 | Tex Carleton | 125.7 | CHN |
| +043+ | 2.96 | Charlie Root | 144 | CHN |
| +046+ | 2.91 | Harry Gumbert | 131 | SFN |
| +047+ | 2.86 | Thornton Lee | 140.3 | CHA |
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