| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 13.29 | 198007220_PHI_CIN |
| Steve Rogers | WAS | 5.53 | 198007200_WAS_HOU |
| Tommy John | NYA | 4.74 | 198007221_MIL_NYA |
| Jerry Reuss | LAN | 4.52 | 198007202_LAN_PIT |
| Pete Vuckovich | SLN | 3.83 | 198007210_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Parrott | SEA | -4.88 | 198007200_DET_SEA |
| Chris Knapp | ANA | -4.52 | 198007220_DET_ANA |
| Lynn McGlothen | CHN | -2.37 | 198007200_SDN_CHN |
| Mike LaCoss | CIN | -2.11 | 198007210_PHI_CIN |
| Ross Grimsley | CLE | -1.53 | 198007200_CLE_OAK |
Based on accumulated WAA for this season up to 1980-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.19 | Steve Carlton | 178.3 | PHI |
| +002+ | 6.79 | Larry Gura | 163.3 | KCA |
| +004+ | 5.75 | Mike Norris | 171 | OAK |
| +006+ | 5.18 | J.R. Richard | 113.7 | HOU |
| +007+ | 4.96 | Jerry Reuss | 125.3 | LAN |
| +011+ | 4.63 | Tommy John | 158.7 | NYA |
| +012+ | 4.56 | Dave Stieb | 152 | TOR |
| +013+ | 4.51 | Don Sutton | 118 | LAN |
| +017+ | 3.91 | Bob Welch | 130 | LAN |
| +019+ | 3.86 | Britt Burns | 136 | CHA |
| +024+ | 3.58 | Pete Vuckovich | 154 | SLN |
| +031+ | 3.34 | Jim Bibby | 148.3 | PIT |
| +032+ | 3.32 | Moose Haas | 142.7 | MIL |
| +037+ | 3.14 | Eddie Whitson | 155.3 | SFN |
| +041+ | 3.02 | Steve Rogers | 165.3 | WAS |
| +049+ | 2.75 | Jim Clancy | 136.7 | TOR |
| +051+ | 2.71 | Bill Travers | 99 | MIL |
| +055+ | 2.65 | Vida Blue | 133.7 | SFN |
| +058+ | 2.56 | Rudy May | 90 | NYA |
| +061+ | 2.49 | Steve Stone | 141 | BAL |
| +062+ | 2.48 | Ken Forsch | 142 | HOU |
| +065+ | 2.37 | David Palmer | 101.7 | WAS |
| +066+ | 2.36 | Nolan Ryan | 138.3 | HOU |
| +082+ | 2.05 | Ross Baumgarten | 88 | CHA |
| +081+ | 2.05 | Burt Hooton | 121 | LAN |
_