| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | SDN | 6.81 | 197906250_SDN_LAN |
| Steve Carlton | PHI | 5.24 | 197906250_PHI_CHN |
| Burt Hooton | LAN | 4.92 | 197906240_LAN_ATL |
| Craig Swan | NYN | 3.47 | 197906251_PIT_NYN |
| Dennis Eckersley | BOS | 3.47 | 197906260_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moose Haas | MIL | -4.31 | 197906240_MIL_SEA |
| Mickey Mahler | ATL | -2.82 | 197906260_ATL_SFN |
| Pete Falcone | NYN | -2.69 | 197906252_PIT_NYN |
| Phil Huffman | TOR | -2.11 | 197906240_TOR_BOS |
| Matt Keough | OAK | -1.81 | 197906241_TEX_OAK |
Based on accumulated WAA for this season up to 1979-06-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.87 | Tommy John | 132 | NYA |
| +004+ | 4.76 | Gaylord Perry | 130 | SDN |
| +005+ | 4.58 | Ron Guidry | 97.7 | NYA |
| +007+ | 4.33 | Steve Rogers | 120.3 | WAS |
| +009+ | 3.95 | Mike LaCoss | 104.7 | CIN |
| +017+ | 3.14 | Jim Slaton | 97 | MIL |
| +018+ | 3.11 | Dave Lemanczyk | 110.3 | TOR |
| +022+ | 2.95 | Mike Caldwell | 119.3 | MIL |
| +025+ | 2.85 | Joe Niekro | 128.3 | HOU |
| +031+ | 2.72 | Nolan Ryan | 101.3 | ANA |
| +034+ | 2.56 | Dennis Eckersley | 116.3 | BOS |
| +043+ | 2.37 | Bob Shirley | 76 | SDN |
| +046+ | 2.36 | Joaquin Andujar | 86.7 | HOU |
| +047+ | 2.35 | Ken Forsch | 73 | HOU |
| +049+ | 2.31 | Jack Billingham | 92.7 | DET |
| +050+ | 2.3 | Burt Hooton | 117 | LAN |
| +054+ | 2.24 | Rick Williams | 65 | HOU |
| +053+ | 2.24 | Randy Niemann | 42.3 | HOU |
| +055+ | 2.22 | Ken Kravec | 118 | CHA |
| +056+ | 2.21 | Dan Schatzeder | 57.3 | WAS |
| +060+ | 2.15 | Bill Travers | 91 | MIL |
| +062+ | 2.13 | Sammy Stewart | 63.3 | BAL |
| +063+ | 2.1 | Craig Swan | 122.7 | NYN |
| +065+ | 2.07 | Nino Espinosa | 90.3 | PHI |
| +067+ | 2.06 | Silvio Martinez | 87.3 | SLN |
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