| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 12.49 | 197809041_DET_NYA |
| Mike Caldwell | MIL | 7.84 | 197809041_SEA_MIL |
| Jon Matlack | TEX | 7.04 | 197809030_TEX_MIL |
| Pete Vuckovich | SLN | 4.26 | 197809020_CIN_SLN |
| Vida Blue | SFN | 4.03 | 197809020_PHI_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Freisleben | CLE | -3.76 | 197809032_CLE_MIN |
| Ray Burris | CHN | -2.79 | 197809041_WAS_CHN |
| Nino Espinosa | NYN | -2.4 | 197809022_NYN_LAN |
| Preston Hanna | ATL | -2.38 | 197809020_ATL_PIT |
| Jim Colborn | SEA | -2.07 | 197809020_SEA_NYA |
Based on accumulated WAA for this season up to 1978-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.82 | Ron Guidry | 229.7 | NYA |
| +004+ | 7.47 | Mike Caldwell | 251 | MIL |
| +007+ | 6.9 | Jim Palmer | 249.7 | BAL |
| +008+ | 6.5 | Jon Matlack | 221 | TEX |
| +010+ | 6.21 | Steve Rogers | 219 | WAS |
| +012+ | 5.8 | Vida Blue | 223 | SFN |
| +014+ | 5.56 | Pete Vuckovich | 176 | SLN |
| +017+ | 5.33 | Bob Knepper | 220 | SFN |
| +022+ | 5 | Craig Swan | 184.3 | NYN |
| +025+ | 4.96 | Randy Jones | 229 | SDN |
| +030+ | 4.39 | Burt Hooton | 199 | LAN |
| +033+ | 4.33 | Dave Goltz | 176.3 | MIN |
| +035+ | 4.23 | Larry Gura | 181.3 | KCA |
| +039+ | 3.95 | Phil Niekro | 275.3 | ATL |
| +041+ | 3.65 | Dan Schatzeder | 118.3 | WAS |
| +046+ | 3.32 | John Henry Johnson | 162 | OAK |
| +048+ | 3.28 | Gaylord Perry | 212 | SDN |
| +049+ | 3.26 | Rich Gale | 172.7 | KCA |
| +050+ | 3.26 | Rick Reuschel | 204.3 | CHN |
| +056+ | 3.19 | Tom Seaver | 211.7 | CIN |
| +059+ | 3.08 | Steve Comer | 75.3 | TEX |
| +062+ | 3.04 | Hal Dues | 99 | WAS |
| +066+ | 3.02 | Bob Welch | 78.7 | LAN |
| +065+ | 3.02 | Steve Carlton | 203.3 | PHI |
| +064+ | 3.02 | Bert Blyleven | 204.3 | PIT |
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