| 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 |
| Moose Haas | MIL | 2.93 | 198009270_MIL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Spillner | CLE | -4.42 | 198009260_BAL_CLE |
| Dennis Lamp | CHN | -3.8 | 198009260_PIT_CHN |
| Larry McWilliams | ATL | -2.1 | 198009270_SFN_ATL |
| Geoff Zahn | MIN | -1.85 | 198009260_KCA_MIN |
| Jack Morris | DET | -0.95 | 198009270_NYA_DET |
Based on accumulated WAA for this season up to 1980-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.46 | Steve Carlton | 295 | PHI |
| +004+ | 8.29 | Mike Norris | 276 | OAK |
| +006+ | 7.63 | Don Sutton | 204 | LAN |
| +015+ | 6.21 | Jerry Reuss | 214 | LAN |
| +018+ | 6.03 | Larry Gura | 274.3 | KCA |
| +019+ | 5.51 | Steve Rogers | 265.7 | WAS |
| +020+ | 5.5 | Rudy May | 168.3 | NYA |
| +024+ | 5.15 | Matt Keough | 250 | OAK |
| +029+ | 4.69 | Eddie Whitson | 205.3 | SFN |
| +030+ | 4.68 | Vern Ruhle | 148.7 | HOU |
| +031+ | 4.58 | Rick Langford | 272 | OAK |
| +032+ | 4.57 | Britt Burns | 225 | CHA |
| +035+ | 4.49 | Bill Caudill | 120.3 | CHN |
| +041+ | 4.33 | Moose Haas | 246.3 | MIL |
| +043+ | 4.24 | Vida Blue | 216.7 | SFN |
| +055+ | 3.77 | Roger Erickson | 188.7 | MIN |
| +063+ | 3.49 | Mario Soto | 183 | CIN |
| +065+ | 3.44 | Scott McGregor | 243 | BAL |
| +066+ | 3.38 | Scott Sanderson | 204.3 | WAS |
| +068+ | 3.36 | Steve Stone | 237.3 | BAL |
| +070+ | 3.32 | Tommy John | 260.7 | NYA |
| +074+ | 3.19 | Pat Zachry | 164.7 | NYN |
| +081+ | 2.97 | Jim Bibby | 233.7 | PIT |
| +084+ | 2.91 | Ken Forsch | 209.7 | HOU |
| +086+ | 2.82 | Bob Welch | 213.7 | LAN |
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