| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.R. Richard | HOU | 12.74 | 198006280_CIN_HOU |
| Larry Gura | KCA | 4.52 | 198006280_KCA_SEA |
| Bob Welch | LAN | 4.49 | 198006300_SDN_LAN |
| Ron Guidry | NYA | 3.78 | 198006290_CLE_NYA |
| Mike Caldwell | MIL | 2.96 | 198006280_MIL_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Knapp | ANA | -2.7 | 198006300_ANA_CHA |
| Mike Parrott | SEA | -2.58 | 198006300_TEX_SEA |
| Bob Sykes | SLN | -2.17 | 198006300_SLN_PIT |
| Lynn McGlothen | CHN | -1.66 | 198006290_SLN_CHN |
| Dan Spillner | CLE | -1.59 | 198006300_CLE_DET |
Based on accumulated WAA for this season up to 1980-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.32 | Steve Carlton | 140 | PHI |
| +002+ | 5.69 | Larry Gura | 138 | KCA |
| +005+ | 4.69 | J.R. Richard | 104.3 | HOU |
| +006+ | 4.48 | Britt Burns | 109 | CHA |
| +007+ | 4.22 | Jerry Reuss | 91.3 | LAN |
| +009+ | 3.94 | Bob Welch | 111.7 | LAN |
| +010+ | 3.83 | Mike Norris | 127.3 | OAK |
| +017+ | 3.34 | Pete Vuckovich | 120.7 | SLN |
| +021+ | 3.03 | David Palmer | 84 | WAS |
| +024+ | 2.85 | Jim Clancy | 97 | TOR |
| +026+ | 2.77 | Craig Swan | 100.7 | NYN |
| +030+ | 2.69 | Don Sutton | 86 | LAN |
| +031+ | 2.67 | Rick Honeycutt | 109 | SEA |
| +032+ | 2.65 | Vida Blue | 133.7 | SFN |
| +037+ | 2.44 | Nolan Ryan | 109.7 | HOU |
| +038+ | 2.42 | Steve Stone | 112.3 | BAL |
| +043+ | 2.33 | Jim Bibby | 114.3 | PIT |
| +045+ | 2.31 | Dave Stieb | 116.7 | TOR |
| +047+ | 2.3 | Matt Keough | 126.7 | OAK |
| +048+ | 2.25 | Rudy May | 59.3 | NYA |
| +051+ | 2.23 | Tommy John | 123.7 | NYA |
| +052+ | 2.16 | Steve Rogers | 126.3 | WAS |
| +061+ | 2.01 | Moose Haas | 107.7 | MIL |
| +071+ | 1.89 | Scott Sanderson | 83 | WAS |
| +073+ | 1.83 | Roger Erickson | 71 | MIN |
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