| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Stewart | BAL | 6.07 | 193104300_BAL_CHA |
| Wes Ferrell | CLE | 4.93 | 193104290_BAL_CLE |
| Bill Walker | SFN | 3.82 | 193105010_ATL_SFN |
| Rube Walberg | OAK | 2.81 | 193104300_NYA_OAK |
| General Crowder | MIN | 1.55 | 193105010_MIN_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hank Johnson | NYA | -1.95 | 193104300_NYA_OAK |
| Garland Braxton | CHA | -1.88 | 193104300_BAL_CHA |
| Bill Sherdel | ATL | -1.36 | 193105010_ATL_SFN |
| Heinie Meine | PIT | -1.28 | 193104300_CIN_PIT |
| Phil Collins | PHI | -1.16 | 193105010_PHI_LAN |
Based on accumulated WAA for this season up to 1931-05-01.
| Rank | WAA | Name | IP | Tm |
|---|
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