| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jon Matlack | TEX | 5.86 | 197809170_OAK_TEX |
| Dave Goltz | MIN | 3.99 | 197809160_MIN_MIL |
| Burt Hooton | LAN | 3.37 | 197809170_ATL_LAN |
| Phil Niekro | ATL | 3.25 | 197809170_ATL_LAN |
| Bob Knepper | SFN | 3.13 | 197809170_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Bruhert | NYN | -2.12 | 197809170_NYN_PHI |
| Ray Burris | CHN | -1.89 | 197809170_SLN_CHN |
| Tom Hume | CIN | -1.45 | 197809160_CIN_SFN |
| Bill Travers | MIL | -1.43 | 197809180_MIL_NYA |
| Byron McLaughlin | SEA | -1.32 | 197809170_CHA_SEA |
Based on accumulated WAA for this season up to 1978-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.33 | Ron Guidry | 247.7 | NYA |
| +003+ | 8.6 | Mike Caldwell | 269 | MIL |
| +007+ | 7.31 | Jim Palmer | 271.7 | BAL |
| +008+ | 7.2 | Jon Matlack | 244 | TEX |
| +015+ | 5.76 | Phil Niekro | 309.3 | ATL |
| +017+ | 5.69 | Dave Goltz | 202.3 | MIN |
| +018+ | 5.55 | Craig Swan | 193.3 | NYN |
| +020+ | 5.42 | Burt Hooton | 221 | LAN |
| +025+ | 5.2 | Pete Vuckovich | 186.3 | SLN |
| +027+ | 5.14 | Randy Jones | 248 | SDN |
| +031+ | 4.72 | Gaylord Perry | 236 | SDN |
| +032+ | 4.66 | Bob Knepper | 242 | SFN |
| +033+ | 4.57 | Vida Blue | 236 | SFN |
| +038+ | 4.32 | Steve Comer | 99.7 | TEX |
| +039+ | 4.29 | Steve Carlton | 231.3 | PHI |
| +040+ | 4.25 | Tom Seaver | 236.3 | CIN |
| +042+ | 4.06 | Bert Blyleven | 228.3 | PIT |
| +052+ | 3.57 | Ed Figueroa | 233 | NYA |
| +053+ | 3.51 | Larry Gura | 200.7 | KCA |
| +054+ | 3.47 | Ferguson Jenkins | 227.3 | TEX |
| +058+ | 3.32 | Bob Welch | 99.3 | LAN |
| +059+ | 3.32 | Rich Gale | 186.3 | KCA |
| +062+ | 3.2 | Ed Halicki | 178 | SFN |
| +066+ | 3.11 | John Denny | 218 | SLN |
| +069+ | 3.08 | Dave Rozema | 186.3 | DET |
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