| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 13.2 | 198009270_WAS_PHI |
| Mike Norris | OAK | 11.87 | 198009260_MIL_OAK |
| Don Sutton | LAN | 6.67 | 198009270_LAN_SDN |
| Larry Gura | KCA | 5.6 | 198009270_KCA_MIN |
| Steve Rogers | WAS | 4.06 | 198009280_WAS_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Spillner | CLE | -4.42 | 198009260_BAL_CLE |
| Dennis Lamp | CHN | -3.8 | 198009260_PIT_CHN |
| Jim Beattie | SEA | -2.96 | 198009280_TEX_SEA |
| Larry McWilliams | ATL | -2.1 | 198009270_SFN_ATL |
| Geoff Zahn | MIN | -1.85 | 198009260_KCA_MIN |
Based on accumulated WAA for this season up to 1980-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.47 | Steve Carlton | 295 | PHI |
| +004+ | 8.31 | Mike Norris | 276 | OAK |
| +006+ | 7.66 | Don Sutton | 204 | LAN |
| +015+ | 6.24 | Jerry Reuss | 214 | LAN |
| +018+ | 6.06 | Larry Gura | 274.3 | KCA |
| +019+ | 5.7 | Steve Rogers | 274.7 | WAS |
| +020+ | 5.51 | Rudy May | 168.3 | NYA |
| +024+ | 5.21 | Britt Burns | 232 | CHA |
| +025+ | 5.16 | Matt Keough | 250 | OAK |
| +030+ | 4.7 | Eddie Whitson | 205.3 | SFN |
| +031+ | 4.69 | Vern Ruhle | 148.7 | HOU |
| +033+ | 4.59 | Rick Langford | 272 | OAK |
| +037+ | 4.55 | Bill Caudill | 123.3 | CHN |
| +044+ | 4.35 | Moose Haas | 246.3 | MIL |
| +045+ | 4.25 | Vida Blue | 216.7 | SFN |
| +060+ | 3.59 | Roger Erickson | 191.3 | MIN |
| +063+ | 3.5 | Mario Soto | 183 | CIN |
| +065+ | 3.45 | Scott McGregor | 243 | BAL |
| +068+ | 3.39 | Scott Sanderson | 204.3 | WAS |
| +069+ | 3.37 | Steve Stone | 237.3 | BAL |
| +071+ | 3.33 | Tommy John | 260.7 | NYA |
| +073+ | 3.2 | Pat Zachry | 164.7 | NYN |
| +078+ | 2.99 | Jim Bibby | 233.7 | PIT |
| +085+ | 2.76 | Jim Clancy | 242.3 | TOR |
| +089+ | 2.71 | Eddie Solomon | 101 | PIT |
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