| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 11.48 | 198009010_PHI_SFN |
| Larry Gura | KCA | 9.08 | 198008300_TEX_KCA |
| Mike Norris | OAK | 8.63 | 198008310_OAK_BOS |
| Jerry Reuss | LAN | 5.99 | 198008311_WAS_LAN |
| Britt Burns | CHA | 3.99 | 198009010_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Knapp | ANA | -5.47 | 198008310_ANA_BAL |
| Mike Parrott | SEA | -4.86 | 198009010_SEA_BAL |
| Ross Grimsley | CLE | -3.14 | 198008312_CHA_CLE |
| Lynn McGlothen | CHN | -2.41 | 198008300_HOU_CHN |
| Rick Matula | ATL | -1.41 | 198009010_ATL_CHN |
Based on accumulated WAA for this season up to 1980-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.8 | Steve Carlton | 247 | PHI |
| +002+ | 8.56 | Larry Gura | 237.3 | KCA |
| +004+ | 7.82 | Mike Norris | 230.3 | OAK |
| +007+ | 7.3 | Jerry Reuss | 185 | LAN |
| +010+ | 6.2 | Don Sutton | 168 | LAN |
| +017+ | 5.22 | Britt Burns | 197.7 | CHA |
| +022+ | 4.96 | J.R. Richard | 113.7 | HOU |
| +024+ | 4.66 | Moose Haas | 209.3 | MIL |
| +026+ | 4.44 | Rudy May | 134.3 | NYA |
| +027+ | 4.4 | Rick Langford | 227.3 | OAK |
| +034+ | 3.92 | Scott McGregor | 200 | BAL |
| +035+ | 3.92 | Bill Caudill | 104 | CHN |
| +037+ | 3.86 | Steve Stone | 194.7 | BAL |
| +038+ | 3.69 | Steve Rogers | 224.3 | WAS |
| +040+ | 3.66 | Eddie Whitson | 174.3 | SFN |
| +042+ | 3.63 | Vern Ruhle | 115.3 | HOU |
| +050+ | 3.43 | Jim Clancy | 205.7 | TOR |
| +052+ | 3.39 | Pat Zachry | 140.7 | NYN |
| +055+ | 3.34 | Dave Stieb | 200 | TOR |
| +058+ | 3.3 | Vida Blue | 172.7 | SFN |
| +059+ | 3.16 | Matt Keough | 215.7 | OAK |
| +074+ | 2.86 | John Tudor | 59.3 | BOS |
| +082+ | 2.77 | Rick Reuschel | 217.3 | CHN |
| +090+ | 2.57 | Gaylord Perry | 179.3 | TOT |
| +091+ | 2.52 | Nolan Ryan | 191 | HOU |
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