| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 14.36 | 198006220_PHI_SFN |
| Craig Swan | NYN | 7.73 | 198006210_NYN_LAN |
| Steve Rogers | WAS | 6.12 | 198006220_WAS_SDN |
| Ron Guidry | NYA | 4.74 | 198006230_BOS_NYA |
| Larry Gura | KCA | 4.45 | 198006230_KCA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Knapp | ANA | -2.7 | 198006210_ANA_BOS |
| Jesse Jefferson | TOR | -2.59 | 198006210_TOR_TEX |
| Ken Kravec | CHA | -2.08 | 198006221_DET_CHA |
| Mike LaCoss | CIN | -1.36 | 198006220_SLN_CIN |
| Mike Torrez | BOS | -1.12 | 198006220_ANA_BOS |
Based on accumulated WAA for this season up to 1980-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.42 | Steve Carlton | 133 | PHI |
| +002+ | 5.51 | J.R. Richard | 101 | HOU |
| +003+ | 4.86 | Larry Gura | 129 | KCA |
| +006+ | 3.99 | Bob Welch | 97.7 | LAN |
| +009+ | 3.54 | Britt Burns | 96.3 | CHA |
| +010+ | 3.49 | Vida Blue | 129 | SFN |
| +011+ | 3.45 | Jerry Reuss | 82.3 | LAN |
| +012+ | 3.41 | Jim Clancy | 96.7 | TOR |
| +016+ | 3.21 | Mike Norris | 118.3 | OAK |
| +018+ | 2.96 | David Palmer | 71.3 | WAS |
| +019+ | 2.95 | Craig Swan | 95.7 | NYN |
| +021+ | 2.89 | Pete Vuckovich | 110.7 | SLN |
| +023+ | 2.81 | Nolan Ryan | 96.7 | HOU |
| +028+ | 2.68 | Steve Rogers | 120.3 | WAS |
| +036+ | 2.26 | Rick Honeycutt | 100 | SEA |
| +037+ | 2.22 | Don Sutton | 78 | LAN |
| +044+ | 2.14 | Jim Bibby | 108 | PIT |
| +045+ | 2.13 | Matt Keough | 118 | OAK |
| +049+ | 2 | Tommy John | 107 | NYA |
| +050+ | 1.98 | Rick Matula | 86 | ATL |
| +054+ | 1.93 | Jon Matlack | 110.7 | TEX |
| +057+ | 1.87 | Roger Erickson | 60 | MIN |
| +068+ | 1.73 | Eddie Solomon | 52 | PIT |
| +071+ | 1.68 | Tom Underwood | 94.3 | NYA |
| +072+ | 1.67 | Randy Jones | 91.7 | SDN |
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