| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Caldwell | MIL | 7.27 | 198005020_MIL_CHA |
| Ron Guidry | NYA | 7.1 | 198005020_NYA_MIN |
| Steve Carlton | PHI | 5.24 | 198005010_PHI_NYN |
| Craig Swan | NYN | 4.84 | 198005030_SDN_NYN |
| Burt Hooton | LAN | 3.94 | 198005030_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glenn Abbott | SEA | -4.84 | 198005020_SEA_ANA |
| Chris Knapp | ANA | -4.62 | 198005010_SEA_ANA |
| Mike Torrez | BOS | -4.26 | 198005020_BOS_KCA |
| Moose Haas | MIL | -2.83 | 198005030_MIL_CHA |
| Ray Burris | NYN | -2.79 | 198005020_SDN_NYN |
Based on accumulated WAA for this season up to 1980-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.45 | Mike Norris | 32 | OAK |
| +002+ | 2.05 | Pete Redfern | 37 | MIN |
| +004+ | 1.92 | Rick Matula | 28 | ATL |
| +005+ | 1.82 | Floyd Bannister | 29.7 | SEA |
| +006+ | 1.78 | Larry Gura | 36.3 | KCA |
| +007+ | 1.75 | Mike Caldwell | 33.7 | MIL |
| +008+ | 1.72 | Steve Carlton | 40 | PHI |
| +009+ | 1.69 | J.R. Richard | 37.7 | HOU |
| +011+ | 1.68 | Dave Stieb | 39.3 | TOR |
| +013+ | 1.57 | Joe Niekro | 38.7 | HOU |
| +016+ | 1.53 | Britt Burns | 30.3 | CHA |
| +017+ | 1.52 | Matt Keough | 35.7 | OAK |
| +018+ | 1.5 | Jon Matlack | 38.3 | TEX |
| +020+ | 1.49 | Pete Vuckovich | 37.3 | SLN |
| +022+ | 1.4 | Paul Mirabella | 29.3 | TOR |
| +023+ | 1.38 | Gary Lucas | 24 | SDN |
| +024+ | 1.36 | Mike Krukow | 34.3 | CHN |
| +025+ | 1.34 | Frank Pastore | 36.3 | CIN |
| +028+ | 1.27 | Rick Honeycutt | 42.3 | SEA |
| XXXXX | 1.19 | Bob Welch | 30.3 | LAN |
| XXXXX | 1.18 | Tommy John | 38 | NYA |
| XXXXX | 1.16 | Charlie Leibrandt | 32 | CIN |
| XXXXX | 1.11 | Don Aase | 28.3 | ANA |
| XXXXX | 1.07 | Dave Goltz | 31.3 | LAN |
| XXXXX | 1.02 | Ken Forsch | 29.7 | HOU |
_