| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 15.53 | 197809280_TOR_NYA |
| Mike Caldwell | MIL | 10.44 | 197809300_MIL_OAK |
| Jim Palmer | BAL | 8.02 | 197809280_CLE_BAL |
| Jon Matlack | TEX | 6.93 | 197809300_TEX_SEA |
| Phil Niekro | ATL | 4.48 | 197809300_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nino Espinosa | NYN | -4.04 | 197809291_NYN_CHN |
| Balor Moore | TOR | -2.35 | 197809280_TOR_NYA |
| Bill Travers | MIL | -1.54 | 197809290_MIL_OAK |
| John Urrea | SLN | -1.34 | 197809290_WAS_SLN |
| Jim Slaton | DET | -1.33 | 197809290_BAL_DET |
Based on accumulated WAA for this season up to 1978-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.09 | Ron Guidry | 267.3 | NYA |
| +004+ | 9.13 | Mike Caldwell | 293.3 | MIL |
| +006+ | 8.47 | Jim Palmer | 296 | BAL |
| +007+ | 8.46 | Jon Matlack | 270 | TEX |
| +015+ | 6.36 | Phil Niekro | 334.3 | ATL |
| +018+ | 6.15 | Bob Knepper | 260 | SFN |
| +020+ | 5.88 | Craig Swan | 207.3 | NYN |
| +021+ | 5.86 | Dave Goltz | 220.3 | MIN |
| +022+ | 5.71 | Gaylord Perry | 250.7 | SDN |
| +027+ | 5.4 | Burt Hooton | 236 | LAN |
| +030+ | 5.14 | Vida Blue | 258 | SFN |
| +033+ | 5.01 | Pete Vuckovich | 192.3 | SLN |
| +034+ | 4.93 | Steve Carlton | 247.3 | PHI |
| +035+ | 4.87 | Randy Jones | 253 | SDN |
| +037+ | 4.75 | Larry Gura | 218.7 | KCA |
| +038+ | 4.44 | Tom Seaver | 251.7 | CIN |
| +041+ | 4.33 | Bob Welch | 111.3 | LAN |
| +045+ | 3.98 | John Denny | 234 | SLN |
| +047+ | 3.94 | Ed Figueroa | 253 | NYA |
| +053+ | 3.8 | Dennis Eckersley | 268.3 | BOS |
| +056+ | 3.74 | Bert Blyleven | 243.7 | PIT |
| +058+ | 3.7 | J.R. Richard | 275.3 | HOU |
| +059+ | 3.69 | Ed Halicki | 199 | SFN |
| +060+ | 3.67 | Steve Comer | 117.3 | TEX |
| +064+ | 3.62 | Ferguson Jenkins | 242.7 | TEX |
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