| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 4.74 | 198006230_BOS_NYA |
| Larry Gura | KCA | 4.45 | 198006230_KCA_MIN |
| Bob Welch | LAN | 4.25 | 198006250_LAN_HOU |
| David Palmer | WAS | 3.19 | 198006240_WAS_PHI |
| Ken Forsch | HOU | 2.01 | 198006250_LAN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve McCatty | OAK | -2.85 | 198006250_MIL_OAK |
| Bob Sykes | SLN | -2.73 | 198006240_PIT_SLN |
| Pete Falcone | NYN | -2.38 | 198006252_NYN_CHN |
| Mike Parrott | SEA | -2.1 | 198006250_SEA_TEX |
| Lynn McGlothen | CHN | -2.09 | 198006252_NYN_CHN |
Based on accumulated WAA for this season up to 1980-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.36 | Steve Carlton | 133 | PHI |
| +002+ | 5.45 | J.R. Richard | 101 | HOU |
| +004+ | 4.86 | Larry Gura | 129 | KCA |
| +006+ | 4.17 | Bob Welch | 104.7 | LAN |
| +007+ | 4 | Britt Burns | 104 | CHA |
| +010+ | 3.52 | Vida Blue | 129 | SFN |
| +011+ | 3.43 | Jim Clancy | 96.7 | TOR |
| +012+ | 3.42 | Jerry Reuss | 82.3 | LAN |
| +016+ | 3.29 | Nolan Ryan | 105 | HOU |
| +018+ | 3.2 | Mike Norris | 118.3 | OAK |
| +022+ | 2.96 | Craig Swan | 95.7 | NYN |
| +024+ | 2.88 | Pete Vuckovich | 110.7 | SLN |
| +028+ | 2.66 | Steve Rogers | 120.3 | WAS |
| +032+ | 2.52 | David Palmer | 76 | WAS |
| +038+ | 2.27 | Rick Honeycutt | 100 | SEA |
| +040+ | 2.25 | Tommy John | 117 | NYA |
| +044+ | 2.19 | Don Sutton | 78 | LAN |
| +045+ | 2.17 | Jim Bibby | 108 | PIT |
| +047+ | 2.12 | Matt Keough | 118 | OAK |
| +056+ | 2 | Moose Haas | 107.7 | MIL |
| +060+ | 1.92 | Jon Matlack | 110.7 | TEX |
| +066+ | 1.81 | Ferguson Jenkins | 100 | TEX |
| +074+ | 1.74 | Eddie Solomon | 52 | PIT |
| +076+ | 1.69 | Roger Erickson | 65 | MIN |
| +079+ | 1.67 | Floyd Bannister | 93.3 | SEA |
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