| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 12.56 | 198008220_SFN_PHI |
| Don Sutton | LAN | 5.38 | 198008210_LAN_WAS |
| Britt Burns | CHA | 2.73 | 198008220_TOR_CHA |
| Steve Stone | BAL | 2.53 | 198008230_BAL_OAK |
| Rudy May | NYA | 2.14 | 198008230_NYA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Knapp | ANA | -5.99 | 198008210_BAL_ANA |
| Ed Figueroa | TEX | -3.41 | 198008230_MIL_TEX |
| Jim Beattie | SEA | -3.27 | 198008220_BOS_SEA |
| Jack Kucek | TOR | -2.88 | 198008230_TOR_CHA |
| Dennis Lamp | CHN | -1.86 | 198008230_CHN_HOU |
Based on accumulated WAA for this season up to 1980-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.41 | Steve Carlton | 230 | PHI |
| +003+ | 8.04 | Larry Gura | 220.3 | KCA |
| +004+ | 7.53 | Mike Norris | 214.7 | OAK |
| +007+ | 6.75 | Jerry Reuss | 170.3 | LAN |
| +009+ | 5.92 | Don Sutton | 161 | LAN |
| +020+ | 4.87 | J.R. Richard | 113.7 | HOU |
| +021+ | 4.73 | Moose Haas | 192.3 | MIL |
| +022+ | 4.72 | Britt Burns | 183 | CHA |
| +026+ | 4.18 | Steve Stone | 190 | BAL |
| +027+ | 4.17 | Rudy May | 129.7 | NYA |
| +030+ | 3.99 | Rick Langford | 210.3 | OAK |
| +032+ | 3.96 | Jim Bibby | 190.3 | PIT |
| +035+ | 3.72 | Ken Forsch | 182.3 | HOU |
| +042+ | 3.53 | Bill Caudill | 98 | CHN |
| +043+ | 3.53 | Matt Keough | 202.7 | OAK |
| +049+ | 3.18 | Pat Zachry | 129 | NYN |
| +059+ | 2.95 | Jim Clancy | 189 | TOR |
| +062+ | 2.92 | Eddie Whitson | 162.3 | SFN |
| +070+ | 2.8 | Dave Stieb | 182.7 | TOR |
| +074+ | 2.71 | Scott McGregor | 183 | BAL |
| +078+ | 2.65 | Steve Rogers | 207.3 | WAS |
| +080+ | 2.54 | Vern Ruhle | 99 | HOU |
| +092+ | 2.4 | Vida Blue | 163.7 | SFN |
| +091+ | 2.4 | Rick Reuschel | 200.3 | CHN |
| +093+ | 2.35 | Gaylord Perry | 168.3 | TOT |
_