| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 15.53 | 197809280_TOR_NYA |
| Jim Palmer | BAL | 8.02 | 197809280_CLE_BAL |
| Phil Niekro | ATL | 4.08 | 197809260_HOU_ATL |
| Craig Swan | NYN | 3.35 | 197809260_SLN_NYN |
| Bob Knepper | SFN | 3.11 | 197809270_SDN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glenn Abbott | SEA | -2.86 | 197809260_SEA_KCA |
| Balor Moore | TOR | -2.35 | 197809280_TOR_NYA |
| Ray Burris | CHN | -1.86 | 197809270_CHN_PIT |
| Eric Rasmussen | SDN | -0.92 | 197809270_SDN_SFN |
| Jerry Reuss | PIT | -0.79 | 197809270_CHN_PIT |
Based on accumulated WAA for this season up to 1978-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.09 | Ron Guidry | 267.3 | NYA |
| +003+ | 9.63 | Mike Caldwell | 287 | MIL |
| +005+ | 8.44 | Jim Palmer | 296 | BAL |
| +007+ | 7.91 | Jon Matlack | 261 | TEX |
| +012+ | 6.47 | Phil Niekro | 326.3 | ATL |
| +017+ | 6.13 | Bob Knepper | 260 | SFN |
| +018+ | 5.88 | Dave Goltz | 220.3 | MIN |
| +019+ | 5.85 | Craig Swan | 207.3 | NYN |
| +021+ | 5.72 | Gaylord Perry | 250.7 | SDN |
| +026+ | 5.45 | Vida Blue | 252 | SFN |
| +028+ | 5.33 | Burt Hooton | 228 | LAN |
| +031+ | 5.02 | Pete Vuckovich | 192.3 | SLN |
| +034+ | 4.87 | Randy Jones | 253 | SDN |
| +036+ | 4.78 | Larry Gura | 218.7 | KCA |
| +037+ | 4.63 | Steve Carlton | 239.3 | PHI |
| +039+ | 4.44 | Tom Seaver | 251.7 | CIN |
| +043+ | 4.07 | Bob Welch | 108.3 | LAN |
| +045+ | 3.99 | Bert Blyleven | 236.7 | PIT |
| +057+ | 3.71 | Steve Comer | 110.3 | TEX |
| +058+ | 3.7 | J.R. Richard | 275.3 | HOU |
| +060+ | 3.62 | Ferguson Jenkins | 242.7 | TEX |
| +061+ | 3.51 | John Denny | 226 | SLN |
| +067+ | 3.25 | Ross Grimsley | 254 | WAS |
| +068+ | 3.24 | Dennis Eckersley | 259.3 | BOS |
| +070+ | 3.17 | Ed Figueroa | 244 | NYA |
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