| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 13.43 | 198006180_PHI_SDN |
| Steve Rogers | WAS | 6.44 | 198006180_WAS_LAN |
| Larry Gura | KCA | 4.05 | 198006180_CLE_KCA |
| Ron Guidry | NYA | 3.97 | 198006180_ANA_NYA |
| Bob Welch | LAN | 3.66 | 198006200_NYN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Sykes | SLN | -3.29 | 198006190_SLN_HOU |
| Lynn McGlothen | CHN | -2.68 | 198006200_CHN_ATL |
| Mike Parrott | SEA | -2.4 | 198006190_SEA_BOS |
| Frank Tanana | ANA | -2.15 | 198006200_ANA_BOS |
| Steve McCatty | OAK | -1.48 | 198006200_OAK_NYA |
Based on accumulated WAA for this season up to 1980-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.22 | Steve Carlton | 124 | PHI |
| +002+ | 5.52 | J.R. Richard | 101 | HOU |
| +003+ | 4.77 | Larry Gura | 121 | KCA |
| +006+ | 4 | Bob Welch | 97.7 | LAN |
| +008+ | 3.62 | Vida Blue | 121 | SFN |
| +009+ | 3.55 | Britt Burns | 96.3 | CHA |
| +010+ | 3.53 | Mike Norris | 110.3 | OAK |
| +011+ | 3.42 | Craig Swan | 91.7 | NYN |
| +012+ | 3.42 | Jim Clancy | 96.7 | TOR |
| +016+ | 2.97 | David Palmer | 71.3 | WAS |
| +017+ | 2.82 | Nolan Ryan | 96.7 | HOU |
| +020+ | 2.64 | Jerry Reuss | 73.3 | LAN |
| +026+ | 2.49 | Pete Vuckovich | 101.7 | SLN |
| +035+ | 2.23 | Don Sutton | 78 | LAN |
| +039+ | 2.13 | Rick Honeycutt | 94 | SEA |
| +046+ | 1.98 | Rick Matula | 86 | ATL |
| +048+ | 1.97 | Tommy John | 99.7 | NYA |
| +051+ | 1.89 | Tom Underwood | 87.3 | NYA |
| +052+ | 1.88 | Roger Erickson | 60 | MIN |
| +054+ | 1.87 | Eddie Solomon | 46.7 | PIT |
| +055+ | 1.86 | Steve Rogers | 111 | WAS |
| +056+ | 1.85 | Frank Pastore | 92.7 | CIN |
| +061+ | 1.76 | Mike Caldwell | 91 | MIL |
| +063+ | 1.73 | Matt Keough | 109 | OAK |
| +069+ | 1.68 | Randy Jones | 91.7 | SDN |
_