| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Rogers | WAS | 12.19 | 197907200_WAS_LAN |
| Ron Guidry | NYA | 7.86 | 197907210_OAK_NYA |
| Gaylord Perry | SDN | 6.24 | 197907200_NYN_SDN |
| Nolan Ryan | ANA | 5.26 | 197907210_ANA_BAL |
| Mike LaCoss | CIN | 3.34 | 197907210_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mickey Mahler | ATL | -4.66 | 197907222_ATL_PIT |
| Moose Haas | MIL | -3.44 | 197907210_MIL_CLE |
| Odell Jones | SEA | -3.31 | 197907210_SEA_BOS |
| Phil Huffman | TOR | -3.13 | 197907211_TOR_MIN |
| Mike Paxton | CLE | -2.89 | 197907221_MIL_CLE |
Based on accumulated WAA for this season up to 1979-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 5.66 | Gaylord Perry | 170 | SDN |
| +005+ | 5.55 | Tommy John | 172.3 | NYA |
| +007+ | 5.37 | Steve Rogers | 157 | WAS |
| +012+ | 4.61 | Nolan Ryan | 149.3 | ANA |
| +013+ | 4.41 | Ron Guidry | 135.3 | NYA |
| +015+ | 4.18 | Jim Slaton | 137.3 | MIL |
| +016+ | 3.99 | Mike LaCoss | 132 | CIN |
| +025+ | 3.52 | Burt Hooton | 150.7 | LAN |
| +028+ | 3.46 | Joaquin Andujar | 122.7 | HOU |
| +032+ | 3.27 | Bob Shirley | 111 | SDN |
| +038+ | 3.06 | Joe Niekro | 156.7 | HOU |
| +046+ | 2.77 | Dennis Eckersley | 146 | BOS |
| +051+ | 2.6 | Silvio Martinez | 120.3 | SLN |
| +057+ | 2.48 | Craig Swan | 158.7 | NYN |
| +059+ | 2.45 | Mike Caldwell | 159.3 | MIL |
| +061+ | 2.44 | Dennis Martinez | 183.7 | BAL |
| +069+ | 2.24 | Bruce Kison | 95 | PIT |
| +070+ | 2.23 | Bill Travers | 116.3 | MIL |
| +072+ | 2.21 | Tom Seaver | 122 | CIN |
| +073+ | 2.2 | Rick Wise | 132.7 | CLE |
| +074+ | 2.16 | Fred Norman | 117 | CIN |
| +075+ | 2.1 | Lary Sorensen | 153.3 | MIL |
| +076+ | 2.09 | Steve Renko | 125 | BOS |
| +081+ | 2.04 | Bill Lee | 125.7 | WAS |
| +082+ | 2.01 | Jim Palmer | 107 | BAL |
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