| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dizzy Dean | CHN | 5.61 | 193804290_CIN_CHN |
| Carl Hubbell | SFN | 4.67 | 193804300_LAN_SFN |
| Danny MacFayden | ATL | 4.47 | 193804300_ATL_PHI |
| Johnny Allen | CLE | 4.11 | 193804280_CLE_BAL |
| Lefty Grove | BOS | 3.83 | 193804280_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Knott | BAL | -3.47 | 193804300_BAL_CHA |
| Wayne LaMaster | PHI | -2.71 | 193804300_ATL_PHI |
| Buck Ross | OAK | -1.05 | 193804290_MIN_OAK |
| Wes Ferrell | MIN | -0.91 | 193804280_MIN_OAK |
| Willis Hudlin | CLE | -0.88 | 193804300_DET_CLE |
Based on accumulated WAA for this season up to 1938-04-30.
| Rank | WAA | Name | IP | Tm |
|---|
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