| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 5.9 | 197905020_NYA_ANA |
| Tom Seaver | CIN | 3.74 | 197905040_HOU_CIN |
| Dennis Leonard | KCA | 3.26 | 197905020_TEX_KCA |
| Steve Carlton | PHI | 3.07 | 197905030_PHI_LAN |
| Dave Goltz | MIN | 3.05 | 197905020_MIN_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Travers | MIL | -3.15 | 197905030_TOR_MIL |
| Tom Underwood | TOR | -2.99 | 197905030_TOR_MIL |
| Glenn Abbott | SEA | -1.78 | 197905040_SEA_BOS |
| Pete Falcone | NYN | -1.67 | 197905030_NYN_SFN |
| Mickey Mahler | ATL | -1.47 | 197905020_ATL_PIT |
Based on accumulated WAA for this season up to 1979-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.77 | Tommy John | 42.7 | NYA |
| +002+ | 2.58 | Mike Caldwell | 53 | MIL |
| +004+ | 2.07 | Nino Espinosa | 34 | PHI |
| +006+ | 1.98 | Phil Niekro | 55.7 | ATL |
| +010+ | 1.68 | Ken Forsch | 47.3 | HOU |
| +014+ | 1.56 | Craig Swan | 45 | NYN |
| +015+ | 1.53 | Ron Guidry | 45 | NYA |
| +016+ | 1.52 | Don Sutton | 47.7 | LAN |
| +018+ | 1.5 | Jim Slaton | 28.7 | MIL |
| +020+ | 1.48 | Pete Vuckovich | 40 | SLN |
| +022+ | 1.46 | Joaquin Andujar | 24.7 | HOU |
| +024+ | 1.45 | Dick Ruthven | 38.7 | PHI |
| +029+ | 1.37 | Burt Hooton | 39.3 | LAN |
| +032+ | 1.27 | J.R. Richard | 40.7 | HOU |
| XXXXX | 1.23 | Nolan Ryan | 38 | ANA |
| XXXXX | 1.21 | Dennis Leonard | 47 | KCA |
| XXXXX | 1.16 | Rick Sutcliffe | 30.3 | LAN |
| XXXXX | 1.13 | Randy Lerch | 44.3 | PHI |
| XXXXX | 1.11 | Dennis Lamp | 25.3 | CHN |
| XXXXX | 1.05 | Dave Lemanczyk | 28.3 | TOR |
| XXXXX | 1.02 | Steve Comer | 39.3 | TEX |
| XXXXX | 1 | Bob Knepper | 41.3 | SFN |
| XXXXX | 0.99 | Ross Baumgarten | 28 | CHA |
| XXXXX | 0.98 | Mike LaCoss | 28.7 | CIN |
| XXXXX | 0.93 | Steve Renko | 30.7 | BOS |
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