| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 16.7 | 197809201_NYA_TOR |
| Jon Matlack | TEX | 7.39 | 197809210_TEX_MIN |
| Dave Goltz | MIN | 4.16 | 197809200_TEX_MIN |
| Phil Niekro | ATL | 4.03 | 197809210_ATL_HOU |
| Craig Swan | NYN | 3.84 | 197809210_NYN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Balor Moore | TOR | -2.12 | 197809210_NYA_TOR |
| John Urrea | SLN | -1.99 | 197809210_NYN_SLN |
| Ray Burris | CHN | -1.96 | 197809220_CHN_SLN |
| Glenn Abbott | SEA | -1.69 | 197809221_SEA_TEX |
| Mickey Mahler | ATL | -0.87 | 197809220_CIN_ATL |
Based on accumulated WAA for this season up to 1978-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.83 | Ron Guidry | 249.3 | NYA |
| +003+ | 9.37 | Mike Caldwell | 278 | MIL |
| +006+ | 7.71 | Jim Palmer | 279 | BAL |
| +007+ | 7.55 | Jon Matlack | 253 | TEX |
| +014+ | 6.02 | Phil Niekro | 317.3 | ATL |
| +016+ | 5.82 | Dave Goltz | 211.3 | MIN |
| +020+ | 5.53 | Craig Swan | 200.3 | NYN |
| +023+ | 5.45 | Bob Knepper | 251 | SFN |
| +024+ | 5.4 | Burt Hooton | 221 | LAN |
| +027+ | 5.31 | Gaylord Perry | 243 | SDN |
| +030+ | 5.18 | Pete Vuckovich | 186.3 | SLN |
| +032+ | 4.91 | Randy Jones | 253 | SDN |
| +033+ | 4.76 | Vida Blue | 243 | SFN |
| +039+ | 4.33 | Tom Seaver | 244.7 | CIN |
| +040+ | 4.28 | Steve Carlton | 231.3 | PHI |
| +041+ | 4.28 | Larry Gura | 209.7 | KCA |
| +043+ | 4.23 | Ferguson Jenkins | 236.3 | TEX |
| +045+ | 3.96 | Bert Blyleven | 228.3 | PIT |
| +051+ | 3.79 | Steve Comer | 103.3 | TEX |
| +058+ | 3.4 | Dave Rozema | 195.3 | DET |
| +060+ | 3.31 | Bob Welch | 99.3 | LAN |
| +067+ | 3.13 | J.R. Richard | 263.3 | HOU |
| +068+ | 3.09 | John Denny | 218 | SLN |
| +069+ | 3.05 | Hal Dues | 99 | WAS |
| +070+ | 3.02 | Ross Grimsley | 238 | WAS |
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