| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 7.03 | 197905090_OAK_BAL |
| Burt Hooton | LAN | 5.7 | 197905070_NYN_LAN |
| Pete Vuckovich | SLN | 3.85 | 197905080_SLN_HOU |
| Dennis Leonard | KCA | 3.64 | 197905070_KCA_TEX |
| John Candelaria | PIT | 2.82 | 197905070_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Underwood | TOR | -3.36 | 197905080_TOR_MIN |
| Pete Falcone | NYN | -2.73 | 197905070_NYN_LAN |
| Mickey Mahler | ATL | -2.46 | 197905070_PIT_ATL |
| Chris Knapp | ANA | -2.17 | 197905080_ANA_BOS |
| Glenn Abbott | SEA | -2.03 | 197905090_SEA_NYA |
Based on accumulated WAA for this season up to 1979-05-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3 | Dick Ruthven | 54.7 | PHI |
| +002+ | 2.96 | Nino Espinosa | 43 | PHI |
| +004+ | 2.88 | Tommy John | 51.7 | NYA |
| +007+ | 2.23 | Jim Slaton | 37.7 | MIL |
| +008+ | 2.15 | Ron Guidry | 50.7 | NYA |
| +009+ | 2.08 | Don Sutton | 56.7 | LAN |
| +010+ | 2.07 | Pete Vuckovich | 48.7 | SLN |
| +012+ | 1.94 | Mike Caldwell | 56 | MIL |
| +015+ | 1.91 | Craig Swan | 51 | NYN |
| +017+ | 1.81 | Burt Hooton | 47.3 | LAN |
| +019+ | 1.81 | Lary Sorensen | 54.7 | MIL |
| +016+ | 1.81 | Ken Forsch | 57.3 | HOU |
| +024+ | 1.74 | Dennis Martinez | 52.7 | BAL |
| +027+ | 1.63 | Jim Palmer | 58 | BAL |
| +033+ | 1.48 | Rick Sutcliffe | 37.3 | LAN |
| +042+ | 1.41 | Dennis Lamp | 34.3 | CHN |
| XXXXX | 1.16 | Bob Welch | 34 | LAN |
| XXXXX | 1.15 | Bob Knepper | 48.3 | SFN |
| XXXXX | 1.13 | Steve Busby | 17.7 | KCA |
| XXXXX | 1.11 | Ferguson Jenkins | 56.7 | TEX |
| XXXXX | 1.08 | Silvio Martinez | 28.3 | SLN |
| XXXXX | 1 | Mike Parrott | 23.3 | SEA |
| XXXXX | 0.99 | Phil Niekro | 63.3 | ATL |
| XXXXX | 0.97 | Mike LaCoss | 34.3 | CIN |
| XXXXX | 0.97 | Paul Moskau | 23.3 | CIN |
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