| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Rogers | WAS | 13.21 | 197907290_PIT_WAS |
| Ron Guidry | NYA | 8.69 | 197907310_NYA_CHA |
| Burt Hooton | LAN | 4.82 | 197907290_LAN_HOU |
| Craig Swan | NYN | 4 | 197907300_NYN_PIT |
| Jim Slaton | MIL | 2.28 | 197907300_BAL_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Len Barker | CLE | -1.86 | 197907312_BOS_CLE |
| Jim Clancy | TOR | -1.13 | 197907290_DET_TOR |
| Larry Gura | KCA | -1.11 | 197907300_TOR_KCA |
| Mike Torrez | BOS | -1.11 | 197907290_BOS_TEX |
| Paul Mitchell | MIL | -0.94 | 197907310_BAL_MIL |
Based on accumulated WAA for this season up to 1979-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.23 | Steve Rogers | 173 | WAS |
| +005+ | 6.08 | Gaylord Perry | 184 | SDN |
| +009+ | 5.41 | Ron Guidry | 151.7 | NYA |
| +010+ | 5.37 | Tommy John | 180.3 | NYA |
| +012+ | 4.78 | Nolan Ryan | 150.3 | ANA |
| +014+ | 4.71 | Mike LaCoss | 139 | CIN |
| +018+ | 4.43 | Jim Slaton | 152.3 | MIL |
| +023+ | 3.93 | Dennis Eckersley | 164.3 | BOS |
| +025+ | 3.87 | Burt Hooton | 166.7 | LAN |
| +029+ | 3.71 | Joaquin Andujar | 136 | HOU |
| +035+ | 3.41 | Bob Shirley | 124 | SDN |
| +040+ | 3.22 | Craig Swan | 174.7 | NYN |
| +042+ | 3.14 | Joe Niekro | 174.7 | HOU |
| +052+ | 2.92 | Ken Forsch | 125.3 | HOU |
| +053+ | 2.91 | Silvio Martinez | 136.3 | SLN |
| +061+ | 2.5 | Dave Lemanczyk | 141.3 | TOR |
| +070+ | 2.29 | Steve Comer | 153 | TEX |
| +072+ | 2.27 | Phil Niekro | 217 | ATL |
| +074+ | 2.25 | Bill Travers | 131.3 | MIL |
| +075+ | 2.18 | Mike Caldwell | 166.3 | MIL |
| +077+ | 2.13 | Tom Hausman | 53 | NYN |
| +078+ | 2.12 | Lary Sorensen | 168 | MIL |
| +082+ | 2.07 | Rick Wise | 146.7 | CLE |
| +083+ | 2.06 | Jim Palmer | 107 | BAL |
| +094+ | 1.93 | Tom Seaver | 134 | CIN |
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