| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 5.91 | 197504110_CHA_ANA |
| Bert Blyleven | MIN | 4.82 | 197504120_MIN_KCA |
| Don Sutton | LAN | 2.23 | 197504110_LAN_HOU |
| Jim Hunter | NYA | 2 | 197504110_DET_NYA |
| Jon Matlack | NYN | 1.85 | 197504100_PHI_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Woodie Fryman | WAS | -3.53 | 197504100_WAS_SLN |
| Mickey Lolich | DET | -2.43 | 197504110_DET_NYA |
| Fritz Peterson | CLE | -1.79 | 197504120_CLE_MIL |
| Jim Slaton | MIL | -1.7 | 197504120_CLE_MIL |
| Burt Hooton | CHN | -1.67 | 197504120_WAS_CHN |
Based on accumulated WAA for this season up to 1975-04-12.
| Rank | WAA | Name | IP | Tm |
|---|
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