| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 6.58 | 198006020_NYA_KCA |
| Phil Niekro | ATL | 4.82 | 198006020_ATL_SFN |
| Gaylord Perry | TEX | 3.93 | 198006030_TEX_CHA |
| Randy Jones | SDN | 3.9 | 198006030_HOU_SDN |
| Larry Gura | KCA | 3.87 | 198006030_NYA_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Kravec | CHA | -2.35 | 198006030_TEX_CHA |
| Pete Falcone | NYN | -2.12 | 198006010_NYN_PIT |
| Jim Beattie | SEA | -1.84 | 198006010_SEA_CLE |
| Len Barker | CLE | -1.68 | 198006030_OAK_CLE |
| Larry McWilliams | ATL | -1.57 | 198006030_ATL_SFN |
Based on accumulated WAA for this season up to 1980-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.7 | Mike Norris | 83 | OAK |
| +003+ | 4.55 | Steve Carlton | 93 | PHI |
| +004+ | 3.79 | Britt Burns | 73.3 | CHA |
| +005+ | 3.77 | Larry Gura | 98 | KCA |
| +006+ | 3.67 | J.R. Richard | 78 | HOU |
| +008+ | 3.25 | Bob Welch | 74.7 | LAN |
| +011+ | 2.51 | Vida Blue | 97 | SFN |
| +012+ | 2.44 | Randy Jones | 84.7 | SDN |
| +018+ | 2.29 | Craig Swan | 66.7 | NYN |
| +021+ | 2.21 | Pete Vuckovich | 78.7 | SLN |
| +024+ | 2.16 | Don Sutton | 65 | LAN |
| +025+ | 2.1 | Rick Honeycutt | 72 | SEA |
| +030+ | 2 | Floyd Bannister | 66.3 | SEA |
| +032+ | 1.96 | David Palmer | 55 | WAS |
| +039+ | 1.84 | Ray Burris | 64 | NYN |
| +038+ | 1.84 | John Fulgham | 47.3 | SLN |
| +041+ | 1.8 | Jim Bibby | 81.7 | PIT |
| +043+ | 1.77 | Frank Pastore | 73.3 | CIN |
| +047+ | 1.73 | Rick Matula | 57.3 | ATL |
| +048+ | 1.71 | Moose Haas | 76.3 | MIL |
| +049+ | 1.67 | Danny Darwin | 42.3 | TEX |
| +055+ | 1.61 | Jim Clancy | 64.7 | TOR |
| +057+ | 1.6 | Nolan Ryan | 76 | HOU |
| +061+ | 1.58 | Dave Stieb | 76 | TOR |
| +064+ | 1.55 | Mike Krukow | 77.7 | CHN |
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