| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 6.77 | 198005100_PHI_CIN |
| Gaylord Perry | TEX | 6.71 | 198005100_CHA_TEX |
| Ron Guidry | NYA | 5.87 | 198005090_MIN_NYA |
| J.R. Richard | HOU | 4.93 | 198005100_HOU_ATL |
| Steve Rogers | WAS | 4.61 | 198005090_NYN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Byron McLaughlin | SEA | -2 | 198005100_CLE_SEA |
| Moose Haas | MIL | -1.75 | 198005080_BAL_MIL |
| Dan Spillner | CLE | -1.13 | 198005090_CLE_SEA |
| Milt Wilcox | DET | -1.03 | 198005090_DET_ANA |
| Jim Clancy | TOR | -0.96 | 198005100_TOR_OAK |
Based on accumulated WAA for this season up to 1980-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.39 | Mike Norris | 41 | OAK |
| +002+ | 2.54 | Steve Carlton | 56 | PHI |
| +003+ | 2.44 | Matt Keough | 44.3 | OAK |
| +005+ | 2.28 | Pete Redfern | 42.7 | MIN |
| +006+ | 2.22 | Larry Gura | 44 | KCA |
| +007+ | 2.09 | Tommy John | 47 | NYA |
| +008+ | 2.07 | Rick Matula | 39.7 | ATL |
| +009+ | 2.02 | Britt Burns | 39.3 | CHA |
| +010+ | 1.99 | Dave Stieb | 48.3 | TOR |
| +012+ | 1.91 | Joe Niekro | 47.7 | HOU |
| +014+ | 1.89 | Charlie Leibrandt | 47 | CIN |
| +015+ | 1.81 | Rick Honeycutt | 51.3 | SEA |
| +016+ | 1.81 | Paul Mirabella | 37.3 | TOR |
| +017+ | 1.77 | Pete Vuckovich | 52.7 | SLN |
| +021+ | 1.68 | Frank Pastore | 44.7 | CIN |
| +027+ | 1.55 | Floyd Bannister | 41.7 | SEA |
| +028+ | 1.5 | Ray Burris | 37.7 | NYN |
| +033+ | 1.43 | J.R. Richard | 47 | HOU |
| +034+ | 1.42 | Jon Matlack | 46 | TEX |
| +037+ | 1.4 | Darrell Jackson | 26.3 | MIN |
| +036+ | 1.4 | Mike Krukow | 40 | CHN |
| +038+ | 1.39 | Don Aase | 37.3 | ANA |
| +039+ | 1.38 | Craig Swan | 36.3 | NYN |
| +042+ | 1.37 | Randy Jones | 40.7 | SDN |
| +049+ | 1.25 | Don Sutton | 34 | LAN |
_