| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Gomez | NYA | 3.55 | 193906010_NYA_CLE |
| Danny MacFayden | ATL | 2.8 | 193906010_CIN_ATL |
| Curt Davis | SLN | 1.8 | 193906020_SLN_SFN |
| Van Mungo | LAN | 1.45 | 193906010_CHN_LAN |
| Johnny Allen | CLE | 1 | 193906020_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lynn Nelson | OAK | -1.68 | 193906010_OAK_BAL |
| Bobo Newsom | DET | -1.26 | 193906010_BOS_DET |
| Denny Galehouse | BOS | -0.63 | 193906020_BOS_DET |
| Jack Kramer | BAL | -0.59 | 193906010_OAK_BAL |
| Claude Passeau | CHN | -0.27 | 193906010_CHN_LAN |
Based on accumulated WAA for this season up to 1939-06-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.55 | Lou Fette | 61 | ATL |
| +003+ | 3.3 | Whitey Moore | 72.3 | CIN |
| +005+ | 3.04 | Lon Warneke | 65.7 | SLN |
| +006+ | 3.03 | Curt Davis | 76 | SLN |
| +007+ | 3.02 | Willis Hudlin | 67.3 | CLE |
| +008+ | 2.89 | Tommy Bridges | 60.7 | DET |
| +009+ | 2.82 | Bob Feller | 80.3 | CLE |
| +017+ | 2.32 | Bucky Walters | 77.3 | CIN |
| +019+ | 2.24 | Rip Sewell | 70 | PIT |
| +020+ | 2.2 | Whit Wyatt | 44.7 | LAN |
| +022+ | 2.09 | Bill McGee | 35.3 | SLN |
| +024+ | 2.05 | Lee Grissom | 46.7 | CIN |
| +025+ | 2.02 | Ted Lyons | 44 | CHA |
| +026+ | 2 | Red Ruffing | 62.3 | NYA |
| +030+ | 1.84 | Alex Carrasquel | 47.7 | MIN |
| +033+ | 1.78 | Dizzy Dean | 23 | CHN |
| +036+ | 1.61 | Bump Hadley | 37.3 | NYA |
| +037+ | 1.6 | Lefty Gomez | 52 | NYA |
| +038+ | 1.59 | Larry French | 56 | CHN |
| +039+ | 1.58 | Syl Johnson | 27.3 | PHI |
| +040+ | 1.57 | Oral Hildebrand | 32.7 | NYA |
| +044+ | 1.45 | Paul Derringer | 72.7 | CIN |
| +045+ | 1.44 | Carl Hubbell | 28.3 | SFN |
| +046+ | 1.43 | Van Mungo | 50 | LAN |
| +047+ | 1.4 | Atley Donald | 43.7 | NYA |
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