| Starter | Tm | Tier | Game |
|---|---|---|---|
| Danny MacFayden | ATL | 7.54 | 193905080_PIT_ATL |
| Red Ruffing | NYA | 6.97 | 193905070_NYA_CHA |
| Bill Lee | CHN | 4.48 | 193905080_CHN_SFN |
| Thornton Lee | CHA | 4.29 | 193905090_NYA_CHA |
| Paul Derringer | CIN | 2.16 | 193905070_CIN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobo Newsom | BAL | -5.45 | 193905070_BOS_BAL |
| Hugh Mulcahy | PHI | -4.03 | 193905090_CIN_PHI |
| Wes Ferrell | NYA | -3.09 | 193905080_NYA_CHA |
| Buck Ross | OAK | -2.32 | 193905080_OAK_DET |
| Ken Chase | MIN | -1.39 | 193905080_MIN_CLE |
Based on accumulated WAA for this season up to 1939-05-09.
| Rank | WAA | Name | IP | Tm |
|---|
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