| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 11.79 | 198010010_CHN_PHI |
| Mike Norris | OAK | 8.83 | 198010010_OAK_CHA |
| Jerry Reuss | LAN | 5.36 | 198009300_LAN_SFN |
| Ed Whitson | SFN | 3.07 | 198010010_LAN_SFN |
| Vern Ruhle | HOU | 2.93 | 198010010_ATL_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Lamp | CHN | -5.21 | 198010010_CHN_PHI |
| Bill Lee | WAS | -1.52 | 198009290_SLN_WAS |
| Pete Falcone | NYN | -1.08 | 198009300_PIT_NYN |
| Luis Tiant | NYA | -0.83 | 198009300_NYA_CLE |
| Rick Waits | CLE | -0.54 | 198009300_NYA_CLE |
Based on accumulated WAA for this season up to 1980-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.26 | Steve Carlton | 304 | PHI |
| +004+ | 8.57 | Mike Norris | 285 | OAK |
| +006+ | 7.71 | Don Sutton | 204 | LAN |
| +013+ | 6.41 | Jerry Reuss | 220 | LAN |
| +018+ | 6.06 | Larry Gura | 274.3 | KCA |
| +019+ | 5.79 | Steve Rogers | 274.7 | WAS |
| +020+ | 5.58 | Rudy May | 168.3 | NYA |
| +023+ | 5.29 | Britt Burns | 232 | CHA |
| +025+ | 5.25 | Matt Keough | 250 | OAK |
| +028+ | 5.14 | Vern Ruhle | 158 | HOU |
| +032+ | 4.83 | Bill Caudill | 126.3 | CHN |
| +034+ | 4.69 | Rick Langford | 272 | OAK |
| +041+ | 4.44 | Moose Haas | 246.3 | MIL |
| +048+ | 4.3 | Vida Blue | 216.7 | SFN |
| +056+ | 3.89 | Eddie Whitson | 207.3 | SFN |
| +059+ | 3.66 | Roger Erickson | 191.3 | MIN |
| +061+ | 3.56 | Mario Soto | 183 | CIN |
| +066+ | 3.46 | Scott Sanderson | 204.3 | WAS |
| +070+ | 3.35 | Steve Stone | 243.3 | BAL |
| +073+ | 3.24 | Pat Zachry | 164.7 | NYN |
| +083+ | 2.89 | Jim Bibby | 238.7 | PIT |
| +084+ | 2.84 | Jim Clancy | 242.3 | TOR |
| +085+ | 2.81 | Tommy John | 265.3 | NYA |
| +086+ | 2.8 | Bill Gullickson | 141 | WAS |
| +088+ | 2.77 | Ken Forsch | 214.3 | HOU |
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