| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 11.9 | 198009170_PHI_PIT |
| Mike Norris | OAK | 9.66 | 198009160_OAK_TEX |
| Don Sutton | LAN | 6.6 | 198009170_SDN_LAN |
| Larry Gura | KCA | 6.56 | 198009172_ANA_KCA |
| Rudy May | NYA | 4.04 | 198009170_TOR_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ross Grimsley | CLE | -3.93 | 198009160_CLE_BOS |
| Jim Beattie | SEA | -2.8 | 198009180_CHA_SEA |
| Larry McWilliams | ATL | -2.14 | 198009170_ATL_SFN |
| Geoff Zahn | MIN | -1.65 | 198009181_MIN_MIL |
| Jack Morris | DET | -1.44 | 198009160_DET_BAL |
Based on accumulated WAA for this season up to 1980-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.38 | Mike Norris | 258 | OAK |
| +002+ | 9.27 | Steve Carlton | 279 | PHI |
| +006+ | 7.84 | Jerry Reuss | 206 | LAN |
| +007+ | 7.47 | Don Sutton | 190 | LAN |
| +013+ | 6.15 | Larry Gura | 264.7 | KCA |
| +017+ | 5.88 | Rudy May | 165.7 | NYA |
| +020+ | 5.51 | Steve Rogers | 250.3 | WAS |
| +025+ | 4.92 | J.R. Richard | 113.7 | HOU |
| +026+ | 4.85 | Moose Haas | 233.7 | MIL |
| +027+ | 4.76 | Britt Burns | 218.7 | CHA |
| +028+ | 4.67 | Vida Blue | 202.7 | SFN |
| +029+ | 4.62 | Rick Langford | 254 | OAK |
| +034+ | 4.22 | Matt Keough | 240 | OAK |
| +035+ | 4.2 | Scott McGregor | 230.3 | BAL |
| +039+ | 4.06 | Bill Caudill | 113.3 | CHN |
| +043+ | 3.98 | Eddie Whitson | 192.7 | SFN |
| +044+ | 3.96 | Steve Stone | 227.7 | BAL |
| +049+ | 3.72 | Roger Erickson | 183.7 | MIN |
| +059+ | 3.4 | Scott Sanderson | 191.3 | WAS |
| +065+ | 3.33 | Tommy John | 244.7 | NYA |
| +067+ | 3.26 | Vern Ruhle | 130.7 | HOU |
| +076+ | 3.04 | Pat Zachry | 158.7 | NYN |
| +082+ | 2.87 | Floyd Bannister | 193.3 | SEA |
| +083+ | 2.83 | Ken Forsch | 209.7 | HOU |
| +094+ | 2.49 | Eddie Solomon | 98.7 | PIT |
_