| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 13.29 | 198007220_PHI_CIN |
| Larry Gura | KCA | 8.27 | 198007230_CHA_KCA |
| Tommy John | NYA | 4.74 | 198007221_MIL_NYA |
| Pete Vuckovich | SLN | 3.83 | 198007210_LAN_SLN |
| Bob Welch | LAN | 3.4 | 198007230_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Knapp | ANA | -4.52 | 198007220_DET_ANA |
| Jim Beattie | SEA | -3.1 | 198007230_CLE_SEA |
| Pete Falcone | NYN | -2.58 | 198007230_NYN_HOU |
| Mike LaCoss | CIN | -2.11 | 198007210_PHI_CIN |
| Steve McCatty | OAK | -1.8 | 198007230_TOR_OAK |
Based on accumulated WAA for this season up to 1980-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.25 | Steve Carlton | 178.3 | PHI |
| +002+ | 7.05 | Larry Gura | 170.3 | KCA |
| +004+ | 5.79 | Mike Norris | 171 | OAK |
| +005+ | 5.21 | J.R. Richard | 113.7 | HOU |
| +008+ | 5.01 | Jerry Reuss | 125.3 | LAN |
| +010+ | 4.67 | Tommy John | 158.7 | NYA |
| +011+ | 4.61 | Dave Stieb | 152 | TOR |
| +013+ | 4.56 | Don Sutton | 118 | LAN |
| +018+ | 3.91 | Britt Burns | 136 | CHA |
| +023+ | 3.62 | Pete Vuckovich | 154 | SLN |
| +028+ | 3.42 | Moose Haas | 150 | MIL |
| +029+ | 3.39 | Jim Bibby | 148.3 | PIT |
| +036+ | 3.18 | Eddie Whitson | 155.3 | SFN |
| +038+ | 3.08 | Steve Rogers | 165.3 | WAS |
| +049+ | 2.79 | Jim Clancy | 136.7 | TOR |
| +051+ | 2.76 | Bob Welch | 133 | LAN |
| +053+ | 2.75 | Bill Travers | 99 | MIL |
| +055+ | 2.68 | Vida Blue | 133.7 | SFN |
| +059+ | 2.58 | Rudy May | 90 | NYA |
| +060+ | 2.53 | Steve Stone | 141 | BAL |
| +061+ | 2.52 | Ken Forsch | 142 | HOU |
| +063+ | 2.4 | David Palmer | 101.7 | WAS |
| +064+ | 2.4 | Nolan Ryan | 138.3 | HOU |
| +076+ | 2.1 | Burt Hooton | 121 | LAN |
| +083+ | 2.02 | Matt Keough | 161.7 | OAK |
_