| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bert Blyleven | PIT | 2.65 | 197804080_CHN_PIT |
| Tommy John | LAN | 1.26 | 197804080_LAN_ATL |
| Wayne Garland | CLE | 0.92 | 197804080_KCA_CLE |
| Ed Figueroa | NYA | 0.81 | 197804090_NYA_TEX |
| Nolan Ryan | ANA | 0.78 | 197804080_OAK_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Billingham | DET | -3.55 | 197804090_TOR_DET |
| Paul Mitchell | SEA | -2.69 | 197804080_MIN_SEA |
| Dick Ruthven | ATL | -2.02 | 197804080_LAN_ATL |
| Lynn McGlothen | SFN | -1.9 | 197804090_SDN_SFN |
| Bill Lee | BOS | -1.84 | 197804090_BOS_CHA |
Based on accumulated WAA for this season up to 1978-04-09.
| Rank | WAA | Name | IP | Tm |
|---|
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