| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 15.71 | 197809150_BOS_NYA |
| Mike Caldwell | MIL | 9 | 197809140_BAL_MIL |
| Jim Palmer | BAL | 7.18 | 197809150_TOR_BAL |
| Dave Goltz | MIN | 3.99 | 197809160_MIN_MIL |
| Vida Blue | SFN | 3.53 | 197809150_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Colborn | SEA | -2.35 | 197809150_CHA_SEA |
| Tom Hume | CIN | -1.45 | 197809160_CIN_SFN |
| Jesse Jefferson | TOR | -1.29 | 197809160_TOR_BAL |
| Steve Stone | CHA | -1.18 | 197809140_CHA_SEA |
| Pete Broberg | OAK | -1.07 | 197809152_OAK_TEX |
Based on accumulated WAA for this season up to 1978-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.38 | Ron Guidry | 247.7 | NYA |
| +003+ | 8.64 | Mike Caldwell | 269 | MIL |
| +005+ | 7.36 | Jim Palmer | 271.7 | BAL |
| +009+ | 6.68 | Jon Matlack | 235 | TEX |
| +016+ | 5.73 | Dave Goltz | 202.3 | MIN |
| +017+ | 5.59 | Craig Swan | 193.3 | NYN |
| +022+ | 5.36 | Burt Hooton | 215 | LAN |
| +023+ | 5.3 | Phil Niekro | 301 | ATL |
| +025+ | 5.16 | Bob Knepper | 235 | SFN |
| +028+ | 4.92 | Pete Vuckovich | 180.7 | SLN |
| +031+ | 4.78 | Randy Jones | 241 | SDN |
| +032+ | 4.77 | Gaylord Perry | 236 | SDN |
| +034+ | 4.61 | Vida Blue | 236 | SFN |
| +036+ | 4.46 | Larry Gura | 196.3 | KCA |
| +039+ | 4.33 | Steve Carlton | 231.3 | PHI |
| +038+ | 4.33 | Steve Comer | 99.7 | TEX |
| +040+ | 4.29 | Tom Seaver | 236.3 | CIN |
| +049+ | 3.71 | Bert Blyleven | 221.3 | PIT |
| +051+ | 3.6 | Bob Welch | 92.7 | LAN |
| +054+ | 3.51 | Ferguson Jenkins | 227.3 | TEX |
| +055+ | 3.46 | Ed Figueroa | 224 | NYA |
| +057+ | 3.38 | Rich Gale | 186.3 | KCA |
| +061+ | 3.23 | Ed Halicki | 178 | SFN |
| +068+ | 3.12 | Dave Rozema | 186.3 | DET |
| +069+ | 3.11 | John Denny | 218 | SLN |
_