| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 5.14 | 194005060_DET_NYA |
| Lefty Grove | BOS | 4.17 | 194005070_CLE_BOS |
| Dutch Leonard | MIN | 3.92 | 194005050_BAL_MIN |
| Bucky Walters | CIN | 3.6 | 194005050_SFN_CIN |
| Danny MacFayden | PIT | 2.58 | 194005070_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -4.23 | 194005050_BAL_MIN |
| Nels Potter | OAK | -3.87 | 194005060_CHA_OAK |
| Joe Haynes | MIN | -2.38 | 194005060_BAL_MIN |
| Emerson Dickman | BOS | -1.3 | 194005060_CLE_BOS |
| Willis Hudlin | CLE | -1.26 | 194005060_CLE_BOS |
Based on accumulated WAA for this season up to 1940-05-07.
| Rank | WAA | Name | IP | Tm |
|---|
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