| 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 |
| Jim Palmer | BAL | 6.32 | 197809050_BOS_BAL |
| Bob Knepper | SFN | 3 | 197809031_PHI_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Freisleben | CLE | -3.76 | 197809032_CLE_MIN |
| Ray Burris | CHN | -2.79 | 197809041_WAS_CHN |
| Glenn Abbott | SEA | -1.79 | 197809041_SEA_MIL |
| Pete Falcone | SLN | -1.46 | 197809030_CIN_SLN |
| Bill Travers | MIL | -1.41 | 197809042_SEA_MIL |
Based on accumulated WAA for this season up to 1978-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.81 | Ron Guidry | 229.7 | NYA |
| +004+ | 7.47 | Mike Caldwell | 251 | MIL |
| +005+ | 7.37 | Jim Palmer | 257.7 | BAL |
| +008+ | 6.49 | Jon Matlack | 221 | TEX |
| +010+ | 6.2 | Steve Rogers | 219 | WAS |
| +012+ | 5.79 | Vida Blue | 223 | SFN |
| +015+ | 5.55 | Pete Vuckovich | 176 | SLN |
| +017+ | 5.32 | Bob Knepper | 220 | SFN |
| +023+ | 5 | Craig Swan | 184.3 | NYN |
| +024+ | 4.97 | Randy Jones | 229 | SDN |
| +030+ | 4.51 | Phil Niekro | 284.3 | ATL |
| +031+ | 4.38 | Burt Hooton | 199 | LAN |
| +032+ | 4.33 | Dave Goltz | 176.3 | MIN |
| +036+ | 4.22 | Larry Gura | 181.3 | KCA |
| +042+ | 3.65 | Dan Schatzeder | 118.3 | WAS |
| +047+ | 3.32 | John Henry Johnson | 162 | OAK |
| +048+ | 3.3 | Tom Seaver | 220.3 | CIN |
| +049+ | 3.28 | Gaylord Perry | 212 | SDN |
| +050+ | 3.27 | Rick Waits | 197.7 | CLE |
| +051+ | 3.26 | Rich Gale | 172.7 | KCA |
| +052+ | 3.26 | Rick Reuschel | 204.3 | CHN |
| +061+ | 3.08 | Steve Comer | 75.3 | TEX |
| +064+ | 3.04 | Hal Dues | 99 | WAS |
| +065+ | 3.02 | Bert Blyleven | 204.3 | PIT |
| +066+ | 3.01 | Bob Welch | 78.7 | LAN |
_