| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 12.56 | 198006140_SDN_PHI |
| Craig Swan | NYN | 8.19 | 198006160_NYN_SDN |
| Phil Niekro | ATL | 5.22 | 198006140_ATL_CHN |
| Tommy John | NYA | 2.96 | 198006160_SEA_NYA |
| Ken Forsch | HOU | 2.77 | 198006150_HOU_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Sykes | SLN | -3.53 | 198006150_CIN_SLN |
| Jim Beattie | SEA | -3.13 | 198006160_SEA_NYA |
| Chris Knapp | ANA | -2.91 | 198006160_ANA_BAL |
| Jesse Jefferson | TOR | -2.61 | 198006160_MIN_TOR |
| Pete Falcone | NYN | -2.04 | 198006140_SFN_NYN |
Based on accumulated WAA for this season up to 1980-06-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.72 | Steve Carlton | 116 | PHI |
| +002+ | 5.33 | J.R. Richard | 96 | HOU |
| +004+ | 4.43 | Larry Gura | 112 | KCA |
| +006+ | 3.55 | Bob Welch | 89.7 | LAN |
| +007+ | 3.52 | Mike Norris | 110.3 | OAK |
| +008+ | 3.45 | Craig Swan | 91.7 | NYN |
| +009+ | 3.39 | Vida Blue | 113 | SFN |
| +010+ | 3.36 | Britt Burns | 86.7 | CHA |
| +014+ | 2.94 | Jim Clancy | 91 | TOR |
| +016+ | 2.69 | Jerry Reuss | 73.3 | LAN |
| +019+ | 2.61 | Rick Honeycutt | 90 | SEA |
| +020+ | 2.53 | David Palmer | 64 | WAS |
| +023+ | 2.46 | Don Sutton | 77.7 | LAN |
| +030+ | 2.27 | Matt Keough | 101 | OAK |
| +032+ | 2.24 | Nolan Ryan | 89.7 | HOU |
| +038+ | 2.11 | Pete Vuckovich | 92.7 | SLN |
| +041+ | 2.08 | Roger Erickson | 54.3 | MIN |
| +045+ | 2.04 | Tommy John | 99.7 | NYA |
| +046+ | 2.01 | Rick Matula | 79 | ATL |
| +050+ | 1.86 | Frank Pastore | 92.7 | CIN |
| +053+ | 1.82 | Tom Underwood | 81.3 | NYA |
| +054+ | 1.79 | Ray Burris | 78 | NYN |
| +056+ | 1.76 | Steve Rogers | 105 | WAS |
| +059+ | 1.74 | Randy Jones | 91.7 | SDN |
| +064+ | 1.69 | Glenn Abbott | 70.3 | SEA |
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