| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 9.81 | 197504240_TEX_ANA |
| Bert Blyleven | MIN | 8.05 | 197504240_CHA_MIN |
| Don Sutton | LAN | 6.46 | 197504230_LAN_SDN |
| Phil Niekro | ATL | 4.26 | 197504240_CIN_ATL |
| Tom Seaver | NYN | 4.21 | 197504230_SLN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Coleman | DET | -2.77 | 197504230_CLE_DET |
| Paul Splittorff | KCA | -2.37 | 197504240_KCA_OAK |
| Clyde Wright | TEX | -2.29 | 197504230_TEX_ANA |
| Doug Konieczny | HOU | -2.18 | 197504231_SFN_HOU |
| Woodie Fryman | WAS | -2.06 | 197504230_PIT_WAS |
Based on accumulated WAA for this season up to 1975-04-25.
| Rank | WAA | Name | IP | Tm |
|---|
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