| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 4.65 | 193904250_OAK_NYA |
| Lou Fette | ATL | 4.59 | 193904240_ATL_LAN |
| Bill Lee | CHN | 4.07 | 193904250_PIT_CHN |
| Thornton Lee | CHA | 2.11 | 193904240_CHA_CLE |
| Bob Weiland | SLN | 1.35 | 193904250_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Whitehill | CHN | -3.38 | 193904240_PIT_CHN |
| Jimmie DeShong | MIN | -2.91 | 193904240_MIN_BOS |
| Bud Thomas | OAK | -2.91 | 193904250_OAK_NYA |
| Hugh Mulcahy | PHI | -2.89 | 193904230_LAN_PHI |
| Bucky Walters | CIN | -0.96 | 193904230_PIT_CIN |
Based on accumulated WAA for this season up to 1939-04-25.
| Rank | WAA | Name | IP | Tm |
|---|
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