| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 7.71 | 197809232_DET_BAL |
| Jon Matlack | TEX | 7.39 | 197809210_TEX_MIN |
| Phil Niekro | ATL | 4.03 | 197809210_ATL_HOU |
| Craig Swan | NYN | 3.84 | 197809210_NYN_SLN |
| Burt Hooton | LAN | 3.33 | 197809230_SDN_LAN |
| 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 |
| Bill Travers | MIL | -1.6 | 197809230_OAK_MIL |
Based on accumulated WAA for this season up to 1978-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.84 | Ron Guidry | 249.3 | NYA |
| +003+ | 9.36 | Mike Caldwell | 278 | MIL |
| +005+ | 8.26 | Jim Palmer | 288 | BAL |
| +008+ | 7.54 | Jon Matlack | 253 | TEX |
| +013+ | 6.01 | Phil Niekro | 317.3 | ATL |
| +016+ | 5.81 | Dave Goltz | 211.3 | MIN |
| +018+ | 5.53 | Craig Swan | 200.3 | NYN |
| +020+ | 5.44 | Bob Knepper | 251 | SFN |
| +024+ | 5.37 | Burt Hooton | 228 | LAN |
| +027+ | 5.31 | Gaylord Perry | 243 | SDN |
| +030+ | 5.18 | Pete Vuckovich | 186.3 | SLN |
| +031+ | 4.92 | Randy Jones | 253 | SDN |
| +034+ | 4.76 | Vida Blue | 243 | SFN |
| +038+ | 4.34 | Tom Seaver | 244.7 | CIN |
| +040+ | 4.27 | Steve Carlton | 231.3 | PHI |
| +041+ | 4.27 | Larry Gura | 209.7 | KCA |
| +043+ | 4.23 | Ferguson Jenkins | 236.3 | TEX |
| +045+ | 4.04 | Bert Blyleven | 236.7 | PIT |
| +050+ | 3.79 | Steve Comer | 103.3 | TEX |
| +057+ | 3.56 | John Denny | 226 | SLN |
| +060+ | 3.41 | Dave Rozema | 195.3 | DET |
| +061+ | 3.37 | Ross Grimsley | 247 | WAS |
| +064+ | 3.32 | J.R. Richard | 270.3 | HOU |
| +065+ | 3.31 | Bob Welch | 99.3 | LAN |
| +069+ | 3.18 | Ed Halicki | 190 | SFN |
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