| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 5.17 | 193909010_NYA_CLE |
| Lefty Grove | BOS | 3.44 | 193908310_BOS_DET |
| Ted Lyons | CHA | 1.04 | 193908301_MIN_CHA |
| Bob Klinger | PIT | 0.86 | 193908312_PIT_PHI |
| Bill Posedel | ATL | 0.62 | 193909010_ATL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nels Potter | OAK | -6.95 | 193908310_OAK_BAL |
| Vern Kennedy | BAL | -3.12 | 193908310_OAK_BAL |
| Joe Haynes | MIN | -1.59 | 193908301_MIN_CHA |
| Elden Auker | BOS | -0.82 | 193909010_BOS_DET |
| Ray Harrell | PHI | -0.68 | 193909010_ATL_PHI |
Based on accumulated WAA for this season up to 1939-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.11 | Bucky Walters | 244 | CIN |
| +005+ | 9.22 | Red Ruffing | 204 | NYA |
| +006+ | 7.89 | Bob Feller | 233.3 | CLE |
| +013+ | 5.85 | Lefty Grove | 158 | BOS |
| +014+ | 5.75 | Paul Derringer | 228 | CIN |
| +017+ | 4.87 | Curt Davis | 204 | SLN |
| +018+ | 4.64 | Hugh Casey | 159 | LAN |
| +022+ | 4.55 | Claude Passeau | 212.7 | TOT |
| +024+ | 4.51 | Ted Lyons | 138.7 | CHA |
| +026+ | 4.43 | Lou Fette | 139 | ATL |
| +027+ | 4.41 | Bump Hadley | 123 | NYA |
| +028+ | 4.36 | Bob Bowman | 129.7 | SLN |
| +029+ | 4.35 | Mace Brown | 155.3 | PIT |
| +031+ | 4.21 | Carl Hubbell | 108 | SFN |
| +035+ | 4.09 | Bill Lohrman | 156.7 | SFN |
| +036+ | 4.06 | Steve Sundra | 82 | NYA |
| +038+ | 3.9 | Bill Posedel | 193.3 | ATL |
| +039+ | 3.8 | Dutch Leonard | 217.3 | MIN |
| +041+ | 3.65 | Cliff Melton | 160.7 | SFN |
| +044+ | 3.61 | Mort Cooper | 155.7 | SLN |
| +045+ | 3.45 | Atley Donald | 144.7 | NYA |
| +046+ | 3.33 | Milt Shoffner | 142.7 | TOT |
| +049+ | 3.23 | Marius Russo | 80 | NYA |
| +052+ | 3.12 | Whitey Moore | 154.7 | CIN |
| +053+ | 3.05 | Larry French | 147.3 | CHN |
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