| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tommy John | NYA | 5.63 | 197905050_OAK_NYA |
| Jim Palmer | BAL | 5.49 | 197905050_ANA_BAL |
| Tom Seaver | CIN | 3.74 | 197905040_HOU_CIN |
| Steve Rogers | WAS | 3.54 | 197905050_WAS_SDN |
| Phil Niekro | ATL | 3.36 | 197905050_ATL_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Travers | MIL | -3.15 | 197905030_TOR_MIL |
| Tom Underwood | TOR | -2.99 | 197905030_TOR_MIL |
| Tom Hume | CIN | -2.51 | 197905050_HOU_CIN |
| Glenn Abbott | SEA | -1.78 | 197905040_SEA_BOS |
| Rick Wise | CLE | -1.73 | 197905050_KCA_CLE |
Based on accumulated WAA for this season up to 1979-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.8 | Tommy John | 51.7 | NYA |
| +002+ | 2.59 | Mike Caldwell | 53 | MIL |
| +004+ | 2.16 | Jim Slaton | 37.7 | MIL |
| +005+ | 2.1 | Dick Ruthven | 45.7 | PHI |
| +006+ | 2.08 | Nino Espinosa | 34 | PHI |
| +012+ | 1.73 | Craig Swan | 51 | NYN |
| +013+ | 1.72 | Ken Forsch | 47.3 | HOU |
| +014+ | 1.59 | Jim Palmer | 50 | BAL |
| +015+ | 1.59 | Pete Vuckovich | 41 | SLN |
| +018+ | 1.54 | Don Sutton | 47.7 | LAN |
| +017+ | 1.54 | Ron Guidry | 45 | NYA |
| +026+ | 1.43 | Phil Niekro | 58.3 | ATL |
| +030+ | 1.38 | Burt Hooton | 39.3 | LAN |
| +036+ | 1.33 | Dennis Lamp | 34.3 | CHN |
| +038+ | 1.3 | J.R. Richard | 40.7 | HOU |
| +041+ | 1.25 | Nolan Ryan | 38 | ANA |
| XXXXX | 1.21 | Dennis Leonard | 47 | KCA |
| XXXXX | 1.17 | Rick Sutcliffe | 30.3 | LAN |
| XXXXX | 1.14 | Randy Lerch | 44.3 | PHI |
| XXXXX | 1.03 | Steve Comer | 39.3 | TEX |
| XXXXX | 1.01 | Bob Knepper | 41.3 | SFN |
| XXXXX | 1 | Ross Baumgarten | 28 | CHA |
| XXXXX | 0.99 | Mike LaCoss | 28.7 | CIN |
| XXXXX | 0.94 | Steve Renko | 30.7 | BOS |
| XXXXX | 0.92 | Gaylord Perry | 38 | SDN |
_