| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lohrman | SFN | 1.08 | 193908280_CIN_SFN |
| Ted Lyons | CHA | 1.04 | 193908301_MIN_CHA |
| Tommy Bridges | DET | 0.73 | 193908280_NYA_DET |
| Atley Donald | NYA | 0.64 | 193908290_NYA_DET |
| Mel Harder | CLE | 0.44 | 193908280_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -5.18 | 193908280_OAK_CHA |
| Jack Kramer | BAL | -2.58 | 193908301_OAK_BAL |
| Joe Haynes | MIN | -1.59 | 193908301_MIN_CHA |
| Elden Auker | BOS | -0.6 | 193908280_BOS_CLE |
| Fred Hutchinson | DET | -0.19 | 193908300_BOS_DET |
Based on accumulated WAA for this season up to 1939-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.12 | Bucky Walters | 244 | CIN |
| +004+ | 9.22 | Red Ruffing | 204 | NYA |
| +006+ | 8.33 | Bob Feller | 229.3 | CLE |
| +012+ | 6.17 | Lefty Grove | 153 | BOS |
| +014+ | 5.76 | Paul Derringer | 228 | CIN |
| +016+ | 4.88 | Curt Davis | 204 | SLN |
| +018+ | 4.63 | Hugh Casey | 159 | LAN |
| +021+ | 4.54 | Claude Passeau | 212.7 | TOT |
| +023+ | 4.51 | Ted Lyons | 138.7 | CHA |
| +025+ | 4.43 | Lou Fette | 139 | ATL |
| +026+ | 4.42 | Bump Hadley | 123 | NYA |
| +028+ | 4.37 | Bob Bowman | 129.7 | SLN |
| +029+ | 4.35 | Mace Brown | 155.3 | PIT |
| +033+ | 4.21 | Carl Hubbell | 108 | SFN |
| +035+ | 4.09 | Bill Lohrman | 156.7 | SFN |
| +036+ | 4.07 | Steve Sundra | 82 | NYA |
| +039+ | 3.66 | Cliff Melton | 160.7 | SFN |
| +041+ | 3.61 | Mort Cooper | 155.7 | SLN |
| +042+ | 3.53 | Dutch Leonard | 208.3 | MIN |
| +043+ | 3.45 | Atley Donald | 144.7 | NYA |
| +045+ | 3.33 | Milt Shoffner | 142.7 | TOT |
| +050+ | 3.12 | Whitey Moore | 154.7 | CIN |
| +051+ | 3.03 | Marius Russo | 78 | NYA |
| +052+ | 3.01 | Bill Posedel | 184.3 | ATL |
| +058+ | 2.67 | Lefty Gomez | 164 | NYA |
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