| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 6.11 | 197804150_MIL_BAL |
| Bert Blyleven | PIT | 5.14 | 197804130_PIT_SLN |
| Tommy John | LAN | 2.85 | 197804140_ATL_LAN |
| Steve Carlton | PHI | 2.55 | 197804140_PHI_SLN |
| Nolan Ryan | ANA | 2.35 | 197804130_MIN_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Billingham | DET | -3.73 | 197804150_DET_TOR |
| Paul Mitchell | SEA | -3.35 | 197804130_SEA_OAK |
| Geoff Zahn | MIN | -2.39 | 197804140_SEA_MIN |
| Dick Ruthven | ATL | -2.22 | 197804140_ATL_LAN |
| Tom Underwood | TOR | -2.05 | 197804150_DET_TOR |
Based on accumulated WAA for this season up to 1978-04-15.
| Rank | WAA | Name | IP | Tm |
|---|
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