| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Caldwell | MIL | 7.27 | 198005020_MIL_CHA |
| Ron Guidry | NYA | 7.1 | 198005020_NYA_MIN |
| Craig Swan | NYN | 4.84 | 198005030_SDN_NYN |
| Steve Rogers | WAS | 4.65 | 198005041_SFN_WAS |
| Burt Hooton | LAN | 3.94 | 198005030_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Glenn Abbott | SEA | -4.84 | 198005020_SEA_ANA |
| Mike Torrez | BOS | -4.26 | 198005020_BOS_KCA |
| Jesse Jefferson | TOR | -4.12 | 198005042_CLE_TOR |
| Bob Sykes | SLN | -3.78 | 198005040_HOU_SLN |
| Moose Haas | MIL | -2.83 | 198005030_MIL_CHA |
Based on accumulated WAA for this season up to 1980-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.3 | Mike Norris | 41 | OAK |
| +002+ | 2.08 | Pete Redfern | 37 | MIN |
| +004+ | 1.96 | Rick Matula | 28 | ATL |
| +005+ | 1.96 | Floyd Bannister | 37.7 | SEA |
| +006+ | 1.81 | Larry Gura | 36.3 | KCA |
| +007+ | 1.78 | Mike Caldwell | 33.7 | MIL |
| +008+ | 1.75 | Steve Carlton | 40 | PHI |
| +009+ | 1.74 | J.R. Richard | 37.7 | HOU |
| +011+ | 1.69 | Dave Stieb | 39.3 | TOR |
| +013+ | 1.61 | Joe Niekro | 38.7 | HOU |
| +015+ | 1.57 | Britt Burns | 30.3 | CHA |
| +017+ | 1.56 | Matt Keough | 35.7 | OAK |
| +018+ | 1.54 | Jon Matlack | 38.3 | TEX |
| +020+ | 1.53 | Charlie Leibrandt | 38 | CIN |
| +019+ | 1.53 | Pete Vuckovich | 37.3 | SLN |
| +024+ | 1.44 | Mike Krukow | 34.3 | CHN |
| +027+ | 1.41 | Paul Mirabella | 29.3 | TOR |
| +028+ | 1.4 | Gary Lucas | 24 | SDN |
| +030+ | 1.38 | Frank Pastore | 36.3 | CIN |
| +031+ | 1.33 | Rick Honeycutt | 42.3 | SEA |
| XXXXX | 1.23 | Bob Welch | 30.3 | LAN |
| XXXXX | 1.22 | Tommy John | 38 | NYA |
| XXXXX | 1.2 | Ken Forsch | 36.3 | HOU |
| XXXXX | 1.13 | Don Aase | 28.3 | ANA |
| XXXXX | 1.03 | Gaylord Perry | 25.7 | TEX |
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