| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Caldwell | MIL | 7.96 | 198005060_NYA_MIL |
| Gaylord Perry | TEX | 6.23 | 198005050_BOS_TEX |
| J.R. Richard | HOU | 6.23 | 198005050_HOU_WAS |
| Steve Carlton | PHI | 4.82 | 198005050_ATL_PHI |
| Steve Rogers | WAS | 4.65 | 198005041_SFN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jesse Jefferson | TOR | -4.12 | 198005042_CLE_TOR |
| Bob Sykes | SLN | -3.78 | 198005040_HOU_SLN |
| Milt Wilcox | DET | -1.97 | 198005041_DET_OAK |
| Bruce Hurst | BOS | -1.92 | 198005060_BOS_TEX |
| Jim Beattie | SEA | -1.69 | 198005060_DET_SEA |
Based on accumulated WAA for this season up to 1980-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.34 | Mike Norris | 41 | OAK |
| +002+ | 2.4 | Steve Carlton | 49 | PHI |
| +003+ | 2.38 | Matt Keough | 44.3 | OAK |
| +005+ | 2.23 | Pete Redfern | 42.7 | MIN |
| +006+ | 2.14 | Larry Gura | 44 | KCA |
| +007+ | 1.98 | Floyd Bannister | 37.7 | SEA |
| +010+ | 1.82 | Joe Niekro | 47.7 | HOU |
| +011+ | 1.72 | Dave Stieb | 39.3 | TOR |
| +012+ | 1.69 | Pete Vuckovich | 45.7 | SLN |
| +015+ | 1.6 | Britt Burns | 30.3 | CHA |
| +018+ | 1.57 | Jon Matlack | 38.3 | TEX |
| +021+ | 1.51 | Rick Matula | 31.7 | ATL |
| +023+ | 1.48 | Charlie Leibrandt | 38 | CIN |
| +025+ | 1.46 | Mike Krukow | 34.3 | CHN |
| +027+ | 1.43 | Paul Mirabella | 29.3 | TOR |
| +029+ | 1.42 | Gary Lucas | 24 | SDN |
| +031+ | 1.36 | Don Aase | 37.3 | ANA |
| +032+ | 1.36 | Rick Honeycutt | 42.3 | SEA |
| +033+ | 1.33 | Frank Pastore | 36.3 | CIN |
| +034+ | 1.31 | Randy Jones | 40.7 | SDN |
| +036+ | 1.31 | Tommy John | 38 | NYA |
| +039+ | 1.27 | Bob Welch | 30.3 | LAN |
| +040+ | 1.26 | Ken Forsch | 36.3 | HOU |
| XXXXX | 1.24 | Gaylord Perry | 34.7 | TEX |
| XXXXX | 1.18 | Don Sutton | 34 | LAN |
_