| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bert Blyleven | PIT | 5.46 | 197804300_SFN_PIT |
| Tommy John | LAN | 4.47 | 197805020_LAN_CHN |
| Rick Reuschel | CHN | 3.68 | 197805020_LAN_CHN |
| Tom Seaver | CIN | 3.44 | 197805010_PHI_CIN |
| Steve Carlton | PHI | 3.43 | 197805010_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Pole | SEA | -3.61 | 197805020_CLE_SEA |
| Jack Billingham | DET | -2.05 | 197804300_DET_SEA |
| Jim Hunter | NYA | -1.95 | 197805020_KCA_NYA |
| Dick Ruthven | ATL | -1.4 | 197805020_NYN_ATL |
| Tom Hume | CIN | -1.39 | 197804300_CIN_NYN |
Based on accumulated WAA for this season up to 1978-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 1.92 | Ray Burris | 37.3 | CHN |
| +006+ | 1.86 | Ron Guidry | 36 | NYA |
| +007+ | 1.84 | Jim Palmer | 32.7 | BAL |
| +009+ | 1.8 | Rick Reuschel | 48.3 | CHN |
| +011+ | 1.78 | Ross Grimsley | 35.3 | WAS |
| +012+ | 1.74 | Rick Waits | 34 | CLE |
| +013+ | 1.52 | Nolan Ryan | 41 | ANA |
| +015+ | 1.49 | John Henry Johnson | 28.7 | OAK |
| +017+ | 1.44 | Dave Rozema | 32.3 | DET |
| +020+ | 1.43 | Tommy John | 40.7 | LAN |
| +024+ | 1.38 | Pat Zachry | 34 | NYN |
| +025+ | 1.36 | Paul Splittorff | 46.7 | KCA |
| +026+ | 1.35 | Pete Broberg | 27 | OAK |
| +029+ | 1.32 | Bill Lee | 40 | BOS |
| +030+ | 1.3 | Craig Swan | 35.7 | NYN |
| XXXXX | 1.24 | Bob Owchinko | 33.7 | SDN |
| XXXXX | 1.2 | John Denny | 40.3 | SLN |
| XXXXX | 1.17 | Gary Serum | 24.3 | MIN |
| XXXXX | 1.15 | Rick Langford | 32.3 | OAK |
| XXXXX | 1.12 | John Montefusco | 40.3 | SFN |
| XXXXX | 1.11 | Don Robinson | 32.3 | PIT |
| XXXXX | 1.07 | Matt Keough | 31.3 | OAK |
| XXXXX | 1.07 | Phil Niekro | 44 | ATL |
| XXXXX | 1.04 | Rick Rhoden | 31.3 | LAN |
| XXXXX | 1.04 | Frank Tanana | 40.3 | ANA |
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