| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 16.7 | 197809201_NYA_TOR |
| Mike Caldwell | MIL | 8.87 | 197809190_MIL_NYA |
| Jon Matlack | TEX | 7.39 | 197809210_TEX_MIN |
| Jim Palmer | BAL | 6.59 | 197809190_BAL_CLE |
| Dave Goltz | MIN | 4.16 | 197809200_TEX_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nino Espinosa | NYN | -2.64 | 197809190_NYN_SLN |
| Balor Moore | TOR | -2.12 | 197809210_NYA_TOR |
| John Urrea | SLN | -1.99 | 197809210_NYN_SLN |
| Steve Stone | CHA | -1.15 | 197809191_CHA_OAK |
| Jim Slaton | DET | -0.9 | 197809190_BOS_DET |
Based on accumulated WAA for this season up to 1978-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.86 | Ron Guidry | 249.3 | NYA |
| +003+ | 9.39 | Mike Caldwell | 278 | MIL |
| +006+ | 7.75 | Jim Palmer | 279 | BAL |
| +007+ | 7.57 | Jon Matlack | 253 | TEX |
| +014+ | 6.04 | Phil Niekro | 317.3 | ATL |
| +015+ | 5.83 | Dave Goltz | 211.3 | MIN |
| +019+ | 5.55 | Craig Swan | 200.3 | NYN |
| +022+ | 5.42 | Burt Hooton | 221 | LAN |
| +025+ | 5.33 | Gaylord Perry | 243 | SDN |
| +027+ | 5.2 | Pete Vuckovich | 186.3 | SLN |
| +028+ | 5.13 | Randy Jones | 248 | SDN |
| +031+ | 4.78 | Vida Blue | 243 | SFN |
| +034+ | 4.7 | Bob Knepper | 242 | SFN |
| +039+ | 4.35 | Tom Seaver | 244.7 | CIN |
| +040+ | 4.3 | Steve Carlton | 231.3 | PHI |
| +043+ | 3.97 | Bert Blyleven | 228.3 | PIT |
| +048+ | 3.8 | Steve Comer | 103.3 | TEX |
| +053+ | 3.58 | Ed Figueroa | 233 | NYA |
| +054+ | 3.5 | Larry Gura | 200.7 | KCA |
| +055+ | 3.48 | Ferguson Jenkins | 227.3 | TEX |
| +056+ | 3.43 | Dave Rozema | 195.3 | DET |
| +059+ | 3.32 | Bob Welch | 99.3 | LAN |
| +066+ | 3.13 | J.R. Richard | 263.3 | HOU |
| +068+ | 3.11 | John Denny | 218 | SLN |
| +069+ | 3.05 | Hal Dues | 99 | WAS |
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