| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 8.53 | 193906150_ATL_PIT |
| Lefty Grove | BOS | 4.89 | 193906111_BOS_CHA |
| Red Ruffing | NYA | 4.35 | 193906111_NYA_BAL |
| Dizzy Dean | CHN | 3.2 | 193906112_CHN_ATL |
| Paul Derringer | CIN | 2.55 | 193906140_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -3.95 | 193906150_PHI_CIN |
| Lefty Mills | BAL | -3.37 | 193906112_NYA_BAL |
| Lynn Nelson | OAK | -1.21 | 193906140_BAL_OAK |
| Bobo Newsom | DET | -1.14 | 193906110_MIN_DET |
| Jim Bagby | BOS | -0.65 | 193906141_DET_BOS |
Based on accumulated WAA for this season up to 1939-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.59 | Bob Feller | 105.3 | CLE |
| +003+ | 4.3 | Bucky Walters | 104.7 | CIN |
| +004+ | 4.26 | Lou Fette | 71.7 | ATL |
| +005+ | 3.98 | Tommy Bridges | 85.7 | DET |
| +007+ | 3.72 | Willis Hudlin | 86 | CLE |
| +008+ | 3.56 | Whitey Moore | 86.7 | CIN |
| +012+ | 2.96 | Bump Hadley | 54.3 | NYA |
| +013+ | 2.89 | Lon Warneke | 78 | SLN |
| +014+ | 2.86 | Lefty Gomez | 68 | NYA |
| +019+ | 2.59 | Curt Davis | 95.7 | SLN |
| +024+ | 2.39 | Hugh Casey | 43.3 | LAN |
| +026+ | 2.37 | Paul Derringer | 93.7 | CIN |
| +030+ | 2.28 | Whit Wyatt | 46.7 | LAN |
| +033+ | 2.08 | Bill Swift | 42.7 | PIT |
| +035+ | 2.02 | Red Ruffing | 78.3 | NYA |
| +037+ | 1.96 | Lefty Grove | 70 | BOS |
| +038+ | 1.95 | Atley Donald | 52.7 | NYA |
| +039+ | 1.9 | Bill McGee | 49.7 | SLN |
| +041+ | 1.8 | Bill Lohrman | 50.3 | SFN |
| +045+ | 1.6 | Bob Weiland | 55 | SLN |
| +049+ | 1.56 | Rip Sewell | 76.3 | PIT |
| +054+ | 1.46 | Dizzy Dean | 25.3 | CHN |
| +056+ | 1.42 | Bob Klinger | 89.3 | PIT |
| +057+ | 1.38 | Lee Grissom | 58.3 | CIN |
| XXXXX | 1.24 | Van Mungo | 55.7 | LAN |
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