| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.R. Richard | HOU | 13.54 | 198006170_HOU_CHN |
| Craig Swan | NYN | 8.19 | 198006160_NYN_SDN |
| Mike Caldwell | MIL | 4.4 | 198006170_MIL_DET |
| Pete Vuckovich | SLN | 3.37 | 198006170_ATL_SLN |
| Tommy John | NYA | 2.96 | 198006160_SEA_NYA |
| 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 |
| Ken Kravec | CHA | -2.34 | 198006170_CHA_CLE |
Based on accumulated WAA for this season up to 1980-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.68 | Steve Carlton | 116 | PHI |
| +002+ | 5.54 | J.R. Richard | 101 | HOU |
| +004+ | 4.39 | Larry Gura | 112 | KCA |
| +005+ | 3.66 | Vida Blue | 121 | SFN |
| +007+ | 3.52 | Bob Welch | 89.7 | LAN |
| +008+ | 3.5 | Mike Norris | 110.3 | OAK |
| +009+ | 3.42 | Craig Swan | 91.7 | NYN |
| +011+ | 3.33 | Britt Burns | 86.7 | CHA |
| +014+ | 2.95 | David Palmer | 71.3 | WAS |
| +015+ | 2.91 | Jim Clancy | 91 | TOR |
| +019+ | 2.67 | Jerry Reuss | 73.3 | LAN |
| +024+ | 2.47 | Pete Vuckovich | 101.7 | SLN |
| +026+ | 2.43 | Don Sutton | 77.7 | LAN |
| +034+ | 2.2 | Nolan Ryan | 89.7 | HOU |
| +037+ | 2.11 | Rick Honeycutt | 94 | SEA |
| +040+ | 2.06 | Roger Erickson | 54.3 | MIN |
| +042+ | 2 | Tommy John | 99.7 | NYA |
| +043+ | 1.99 | Rick Matula | 79 | ATL |
| +048+ | 1.92 | Tom Underwood | 87.3 | NYA |
| +053+ | 1.83 | Frank Pastore | 92.7 | CIN |
| +056+ | 1.77 | Ray Burris | 78 | NYN |
| +057+ | 1.76 | Mike Caldwell | 91 | MIL |
| +060+ | 1.73 | Steve Rogers | 105 | WAS |
| +062+ | 1.7 | Randy Jones | 91.7 | SDN |
| +064+ | 1.7 | Matt Keough | 109 | OAK |
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