| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dizzy Dean | CHN | 5.61 | 193804290_CIN_CHN |
| Johnny Allen | CLE | 4.11 | 193804280_CLE_BAL |
| Cy Blanton | PIT | 3.96 | 193804270_CHN_PIT |
| Lefty Grove | BOS | 3.83 | 193804280_BOS_NYA |
| Hal Schumacher | SFN | 2.31 | 193804280_SFN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -2.63 | 193804271_PHI_SFN |
| Russ Van Atta | BAL | -2.48 | 193804290_CLE_BAL |
| Jimmie DeShong | MIN | -1.36 | 193804270_BOS_MIN |
| Buck Ross | OAK | -1.05 | 193804290_MIN_OAK |
| Johnny Rigney | CHA | -0.72 | 193804290_CHA_DET |
Based on accumulated WAA for this season up to 1938-04-29.
| Rank | WAA | Name | IP | Tm |
|---|
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