| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 13.47 | 198007020_PHI_WAS |
| Steve Rogers | WAS | 5.83 | 198007020_PHI_WAS |
| Craig Swan | NYN | 5.56 | 198007010_CHN_NYN |
| Pete Vuckovich | SLN | 4.55 | 198007020_SLN_PIT |
| Bob Welch | LAN | 4.49 | 198006300_SDN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve McCatty | OAK | -2.78 | 198007010_OAK_MIL |
| Chris Knapp | ANA | -2.7 | 198006300_ANA_CHA |
| Mike Parrott | SEA | -2.58 | 198006300_TEX_SEA |
| Bob Sykes | SLN | -2.17 | 198006300_SLN_PIT |
| Dan Spillner | CLE | -1.59 | 198006300_CLE_DET |
Based on accumulated WAA for this season up to 1980-07-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.66 | Steve Carlton | 147.3 | PHI |
| +002+ | 5.63 | Larry Gura | 138 | KCA |
| +003+ | 4.82 | Jerry Reuss | 98.3 | LAN |
| +006+ | 4.69 | J.R. Richard | 104.3 | HOU |
| +007+ | 4.45 | Britt Burns | 109 | CHA |
| +009+ | 4.05 | Mike Norris | 137.3 | OAK |
| +011+ | 3.91 | Bob Welch | 111.7 | LAN |
| +018+ | 3.21 | Jim Clancy | 106 | TOR |
| +019+ | 3.15 | Craig Swan | 107.7 | NYN |
| +022+ | 3.05 | Rudy May | 68.3 | NYA |
| +024+ | 2.99 | David Palmer | 84 | WAS |
| +028+ | 2.74 | Pete Vuckovich | 126.7 | SLN |
| +031+ | 2.67 | Steve Rogers | 135.3 | WAS |
| +032+ | 2.66 | Don Sutton | 86 | LAN |
| +034+ | 2.61 | Vida Blue | 133.7 | SFN |
| +042+ | 2.43 | Nolan Ryan | 109.7 | HOU |
| +043+ | 2.43 | Eddie Whitson | 127 | SFN |
| +045+ | 2.38 | Steve Stone | 112.3 | BAL |
| +046+ | 2.35 | Moose Haas | 116.7 | MIL |
| +049+ | 2.28 | Rick Honeycutt | 114.3 | SEA |
| +050+ | 2.28 | Dave Stieb | 116.7 | TOR |
| +052+ | 2.26 | Matt Keough | 126.7 | OAK |
| +053+ | 2.25 | Jim Bibby | 114.3 | PIT |
| +056+ | 2.18 | Tommy John | 123.7 | NYA |
| +077+ | 1.84 | Scott Sanderson | 87.7 | WAS |
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