| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tommy John | NYA | 5.63 | 197905050_OAK_NYA |
| Jim Palmer | BAL | 5.49 | 197905050_ANA_BAL |
| J.R. Richard | HOU | 4.45 | 197905061_HOU_CIN |
| Tom Seaver | CIN | 3.74 | 197905040_HOU_CIN |
| Steve Rogers | WAS | 3.54 | 197905050_WAS_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Hume | CIN | -2.51 | 197905050_HOU_CIN |
| Glenn Abbott | SEA | -1.78 | 197905040_SEA_BOS |
| Rick Wise | CLE | -1.73 | 197905050_KCA_CLE |
| Jim Clancy | TOR | -1.11 | 197905040_TOR_MIL |
| Jim Hunter | NYA | -0.89 | 197905060_OAK_NYA |
Based on accumulated WAA for this season up to 1979-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.93 | Nino Espinosa | 43 | PHI |
| +002+ | 2.8 | Tommy John | 51.7 | NYA |
| +003+ | 2.62 | Mike Caldwell | 53 | MIL |
| +005+ | 2.18 | Jim Slaton | 37.7 | MIL |
| +006+ | 2.13 | Dick Ruthven | 45.7 | PHI |
| +010+ | 1.89 | Ron Guidry | 48.7 | NYA |
| +011+ | 1.85 | Ken Forsch | 48.3 | HOU |
| +014+ | 1.76 | Craig Swan | 51 | NYN |
| +015+ | 1.73 | Lary Sorensen | 54.7 | MIL |
| +016+ | 1.66 | Dennis Martinez | 52.7 | BAL |
| +019+ | 1.62 | Jim Palmer | 50 | BAL |
| +020+ | 1.61 | Pete Vuckovich | 41 | SLN |
| +023+ | 1.56 | Don Sutton | 47.7 | LAN |
| +027+ | 1.47 | Phil Niekro | 58.3 | ATL |
| +029+ | 1.4 | Burt Hooton | 39.3 | LAN |
| +035+ | 1.35 | Dennis Lamp | 34.3 | CHN |
| +041+ | 1.29 | Nolan Ryan | 38 | ANA |
| XXXXX | 1.24 | Dennis Leonard | 47 | KCA |
| XXXXX | 1.18 | Rick Sutcliffe | 30.3 | LAN |
| XXXXX | 1.17 | Randy Lerch | 44.3 | PHI |
| XXXXX | 1.1 | Steve Busby | 17.7 | KCA |
| XXXXX | 1.1 | Silvio Martinez | 28.3 | SLN |
| XXXXX | 1.08 | Bob Knepper | 48.3 | SFN |
| XXXXX | 1.05 | Steve Comer | 39.3 | TEX |
| XXXXX | 1.01 | Ross Baumgarten | 28 | CHA |
_