| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 7.86 | 197907210_OAK_NYA |
| Nolan Ryan | ANA | 5.26 | 197907210_ANA_BAL |
| Mike LaCoss | CIN | 3.34 | 197907210_CIN_SLN |
| Steve Carlton | PHI | 2.76 | 197907210_PHI_SFN |
| Mike Caldwell | MIL | 2.37 | 197907221_MIL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mickey Mahler | ATL | -4.66 | 197907222_ATL_PIT |
| Matt Keough | OAK | -4.37 | 197907230_OAK_BAL |
| Moose Haas | MIL | -3.44 | 197907210_MIL_CLE |
| Odell Jones | SEA | -3.31 | 197907210_SEA_BOS |
| Phil Huffman | TOR | -3.13 | 197907211_TOR_MIN |
Based on accumulated WAA for this season up to 1979-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 5.66 | Gaylord Perry | 170 | SDN |
| +006+ | 5.55 | Tommy John | 172.3 | NYA |
| +008+ | 5.37 | Steve Rogers | 157 | WAS |
| +011+ | 4.61 | Nolan Ryan | 149.3 | ANA |
| +013+ | 4.41 | Ron Guidry | 135.3 | NYA |
| +014+ | 4.2 | Jim Slaton | 137.3 | MIL |
| +017+ | 4 | Mike LaCoss | 132 | CIN |
| +025+ | 3.52 | Burt Hooton | 150.7 | LAN |
| +028+ | 3.48 | Joe Niekro | 165.7 | HOU |
| +029+ | 3.46 | Joaquin Andujar | 122.7 | HOU |
| +034+ | 3.27 | Bob Shirley | 111 | SDN |
| +046+ | 2.76 | Dennis Eckersley | 146 | BOS |
| +053+ | 2.6 | Silvio Martinez | 120.3 | SLN |
| +056+ | 2.5 | Craig Swan | 158.7 | NYN |
| +059+ | 2.47 | Mike Caldwell | 159.3 | MIL |
| +060+ | 2.45 | Dennis Martinez | 183.7 | BAL |
| +070+ | 2.24 | Bill Travers | 116.3 | MIL |
| +071+ | 2.24 | Bruce Kison | 95 | PIT |
| +073+ | 2.22 | Tom Seaver | 122 | CIN |
| +074+ | 2.2 | Rick Wise | 132.7 | CLE |
| +075+ | 2.17 | Fred Norman | 117 | CIN |
| +078+ | 2.11 | Phil Niekro | 201 | ATL |
| +079+ | 2.09 | Steve Renko | 125 | BOS |
| +082+ | 2.04 | Bill Lee | 125.7 | WAS |
| +083+ | 2.02 | Dan Schatzeder | 89.3 | WAS |
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