| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 5.91 | 197504110_CHA_ANA |
| Andy Messersmith | LAN | 2.91 | 197504090_LAN_CIN |
| Jim Hunter | NYA | 2 | 197504110_DET_NYA |
| Jon Matlack | NYN | 1.85 | 197504100_PHI_NYN |
| Ken Holtzman | OAK | 1.31 | 197504090_CHA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Broberg | MIL | -4.71 | 197504090_MIL_BOS |
| Woodie Fryman | WAS | -3.53 | 197504100_WAS_SLN |
| Paul Splittorff | KCA | -2.75 | 197504090_KCA_ANA |
| Mickey Lolich | DET | -2.43 | 197504110_DET_NYA |
| Jim Bibby | TEX | -2.38 | 197504090_MIN_TEX |
Based on accumulated WAA for this season up to 1975-04-11.
| Rank | WAA | Name | IP | Tm |
|---|
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