| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 13.47 | 198007020_PHI_WAS |
| J.R. Richard | HOU | 9.92 | 198007030_HOU_ATL |
| Larry Gura | KCA | 5.97 | 198007030_SEA_KCA |
| Steve Rogers | WAS | 5.83 | 198007020_PHI_WAS |
| Craig Swan | NYN | 5.56 | 198007010_CHN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Beattie | SEA | -4.95 | 198007030_SEA_KCA |
| Steve McCatty | OAK | -2.78 | 198007010_OAK_MIL |
| Frank Tanana | ANA | -1.46 | 198007020_ANA_CHA |
| Chuck Rainey | BOS | -0.54 | 198007030_BOS_BAL |
| Rich Gale | KCA | -0.5 | 198007020_MIN_KCA |
Based on accumulated WAA for this season up to 1980-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.67 | Steve Carlton | 147.3 | PHI |
| +002+ | 5.24 | Larry Gura | 145.3 | KCA |
| +004+ | 4.81 | J.R. Richard | 110.3 | HOU |
| +003+ | 4.81 | Jerry Reuss | 98.3 | LAN |
| +007+ | 4.45 | Britt Burns | 109 | CHA |
| +010+ | 4.06 | Mike Norris | 137.3 | OAK |
| +012+ | 3.9 | Bob Welch | 111.7 | LAN |
| +017+ | 3.23 | Jim Clancy | 106 | TOR |
| +018+ | 3.16 | Craig Swan | 107.7 | NYN |
| +021+ | 3.06 | Rudy May | 68.3 | NYA |
| +024+ | 3 | David Palmer | 84 | WAS |
| +031+ | 2.75 | Pete Vuckovich | 126.7 | SLN |
| +034+ | 2.7 | Steve Rogers | 135.3 | WAS |
| +035+ | 2.66 | Don Sutton | 86 | LAN |
| +037+ | 2.61 | Vida Blue | 133.7 | SFN |
| +043+ | 2.44 | Nolan Ryan | 109.7 | HOU |
| +044+ | 2.43 | Eddie Whitson | 127 | SFN |
| +045+ | 2.39 | Steve Stone | 112.3 | BAL |
| +048+ | 2.37 | Jim Bibby | 122.7 | PIT |
| +049+ | 2.36 | Moose Haas | 116.7 | MIL |
| +051+ | 2.29 | Dave Stieb | 116.7 | TOR |
| +053+ | 2.28 | Rick Honeycutt | 114.3 | SEA |
| +055+ | 2.2 | Tommy John | 123.7 | NYA |
| +075+ | 1.86 | Scott Sanderson | 87.7 | WAS |
| +079+ | 1.78 | Glenn Abbott | 92.3 | SEA |
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