| Starter | Tm | Tier | Game |
|---|---|---|---|
| Danny MacFayden | ATL | 5.65 | 193904270_ATL_PHI |
| Lefty Grove | BOS | 4.76 | 193904290_BOS_OAK |
| Lefty Gomez | NYA | 4.02 | 193904290_MIN_NYA |
| Bill Lee | CHN | 3.98 | 193904290_SLN_CHN |
| Paul Derringer | CIN | 1.93 | 193904270_CHN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -2.86 | 193904290_PHI_LAN |
| Ken Chase | MIN | -2.21 | 193904290_MIN_NYA |
| Buck Ross | OAK | -1.87 | 193904290_BOS_OAK |
| Johnny Marcum | BAL | -1.5 | 193904270_BAL_CLE |
| Jack Knott | CHA | -0.81 | 193904270_DET_CHA |
Based on accumulated WAA for this season up to 1939-04-29.
| Rank | WAA | Name | IP | Tm |
|---|
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