| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 12.56 | 198006140_SDN_PHI |
| Steve Rogers | WAS | 6.04 | 198006130_LAN_WAS |
| Phil Niekro | ATL | 5.22 | 198006140_ATL_CHN |
| Ron Guidry | NYA | 4.81 | 198006131_NYA_OAK |
| Pete Vuckovich | SLN | 4.56 | 198006130_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Sykes | SLN | -3.53 | 198006150_CIN_SLN |
| Frank Tanana | ANA | -2.16 | 198006150_BOS_ANA |
| Pete Falcone | NYN | -2.04 | 198006140_SFN_NYN |
| Len Barker | CLE | -1.34 | 198006140_MIN_CLE |
| Steve McCatty | OAK | -1.08 | 198006150_NYA_OAK |
Based on accumulated WAA for this season up to 1980-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.8 | Steve Carlton | 116 | PHI |
| +002+ | 5.34 | J.R. Richard | 96 | HOU |
| +004+ | 4.44 | Larry Gura | 112 | KCA |
| +005+ | 4.4 | Mike Norris | 101.3 | OAK |
| +007+ | 3.61 | Bob Welch | 89.7 | LAN |
| +009+ | 3.4 | Vida Blue | 113 | SFN |
| +012+ | 3.35 | Britt Burns | 86.7 | CHA |
| +013+ | 3.32 | Craig Swan | 85.7 | NYN |
| +014+ | 2.95 | Jim Clancy | 91 | TOR |
| +018+ | 2.6 | Rick Honeycutt | 90 | SEA |
| +019+ | 2.52 | David Palmer | 64 | WAS |
| +020+ | 2.51 | Don Sutton | 77.7 | LAN |
| +028+ | 2.27 | Matt Keough | 101 | OAK |
| +032+ | 2.24 | Jerry Reuss | 63.3 | LAN |
| +031+ | 2.24 | Nolan Ryan | 89.7 | HOU |
| +035+ | 2.18 | Frank Pastore | 89.3 | CIN |
| +040+ | 2.12 | Pete Vuckovich | 92.7 | SLN |
| +041+ | 2.08 | Roger Erickson | 54.3 | MIN |
| +047+ | 2.02 | Rick Matula | 79 | ATL |
| +052+ | 1.83 | Tom Underwood | 81.3 | NYA |
| +054+ | 1.78 | Ray Burris | 78 | NYN |
| +057+ | 1.75 | Randy Jones | 91.7 | SDN |
| +058+ | 1.75 | Steve Rogers | 105 | WAS |
| +060+ | 1.73 | Tommy John | 91.7 | NYA |
| +063+ | 1.68 | Glenn Abbott | 70.3 | SEA |
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