| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 12.93 | 198007120_PIT_PHI |
| Steve Rogers | WAS | 6.7 | 198007110_SLN_WAS |
| Craig Swan | NYN | 5.41 | 198007110_PIT_NYN |
| Ron Guidry | NYA | 4.36 | 198007100_NYA_TEX |
| Jim Palmer | BAL | 3.8 | 198007110_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chris Knapp | ANA | -4.1 | 198007110_ANA_OAK |
| Len Barker | CLE | -2.82 | 198007120_CLE_TEX |
| Mike Torrez | BOS | -2.2 | 198007101_BOS_MIL |
| Lynn McGlothen | CHN | -1.83 | 198007110_CHN_PHI |
| Mike LaCoss | CIN | -1.51 | 198007122_SFN_CIN |
Based on accumulated WAA for this season up to 1980-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.29 | Steve Carlton | 163.3 | PHI |
| +003+ | 5.27 | Larry Gura | 145.3 | KCA |
| +004+ | 5.22 | Jerry Reuss | 112.7 | LAN |
| +006+ | 4.88 | J.R. Richard | 110.3 | HOU |
| +008+ | 4.66 | Mike Norris | 153 | OAK |
| +010+ | 4.04 | Bob Welch | 118.3 | LAN |
| +014+ | 3.76 | Don Sutton | 101 | LAN |
| +016+ | 3.36 | Tommy John | 140.7 | NYA |
| +018+ | 3.34 | David Palmer | 97 | WAS |
| +023+ | 3.11 | Rudy May | 71 | NYA |
| +028+ | 2.96 | Britt Burns | 120.3 | CHA |
| +030+ | 2.93 | Steve Rogers | 151.7 | WAS |
| +033+ | 2.84 | Dave Stieb | 134 | TOR |
| +037+ | 2.8 | Steve Stone | 126 | BAL |
| +038+ | 2.75 | Moose Haas | 125.7 | MIL |
| +044+ | 2.62 | Vida Blue | 133.7 | SFN |
| +049+ | 2.56 | Jim Clancy | 119.3 | TOR |
| +050+ | 2.54 | Craig Swan | 120 | NYN |
| +052+ | 2.47 | Eddie Whitson | 141.3 | SFN |
| +054+ | 2.47 | Pete Vuckovich | 138 | SLN |
| +058+ | 2.32 | Jim Bibby | 133 | PIT |
| +071+ | 1.96 | Bill Travers | 89 | MIL |
| +072+ | 1.95 | Reggie Cleveland | 82 | MIL |
| +075+ | 1.9 | Ken Forsch | 126.3 | HOU |
| +077+ | 1.88 | Frank Pastore | 125.3 | CIN |
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