| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | SDN | 5.46 | 197906200_SLN_SDN |
| Steve Carlton | PHI | 4.8 | 197906200_PHI_ATL |
| Craig Swan | NYN | 3.46 | 197906200_NYN_HOU |
| Nolan Ryan | ANA | 3.13 | 197906220_KCA_ANA |
| Pete Vuckovich | SLN | 2.94 | 197906200_SLN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Odell Jones | SEA | -4.7 | 197906200_SEA_CHA |
| Mickey Mahler | ATL | -2.16 | 197906210_LAN_ATL |
| Rick Langford | OAK | -2.01 | 197906220_TEX_OAK |
| Ken Holtzman | CHN | -1.7 | 197906220_CHN_PIT |
| Jim Hunter | NYA | -1.56 | 197906220_CLE_NYA |
Based on accumulated WAA for this season up to 1979-06-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.01 | Tommy John | 122 | NYA |
| +004+ | 4.6 | Ron Guidry | 97.7 | NYA |
| +005+ | 4.41 | Gaylord Perry | 122 | SDN |
| +006+ | 4.28 | Dave Lemanczyk | 104.7 | TOR |
| +009+ | 3.8 | Mike LaCoss | 98.7 | CIN |
| +013+ | 3.51 | Steve Rogers | 111.3 | WAS |
| +017+ | 3.19 | Jim Slaton | 97 | MIL |
| +020+ | 3.06 | Joe Niekro | 121.3 | HOU |
| +019+ | 3.06 | Lary Sorensen | 117.7 | MIL |
| +021+ | 3.01 | Mike Caldwell | 119.3 | MIL |
| +028+ | 2.73 | Nolan Ryan | 101.3 | ANA |
| +027+ | 2.73 | Bill Travers | 85.7 | MIL |
| +030+ | 2.7 | Jack Billingham | 85.7 | DET |
| +033+ | 2.57 | Burt Hooton | 111 | LAN |
| +035+ | 2.54 | Dennis Eckersley | 109 | BOS |
| +043+ | 2.36 | Ken Forsch | 73 | HOU |
| +050+ | 2.24 | Steve Carlton | 118.7 | PHI |
| +051+ | 2.24 | Ken Kravec | 118 | CHA |
| +053+ | 2.22 | Dennis Martinez | 125 | BAL |
| +056+ | 2.18 | Craig Swan | 116.7 | NYN |
| +057+ | 2.16 | Jim Palmer | 88.3 | BAL |
| +062+ | 2.06 | Silvio Martinez | 87.3 | SLN |
| +068+ | 1.93 | Steve McCatty | 57.3 | OAK |
| +069+ | 1.92 | Rick Williams | 57 | HOU |
| +070+ | 1.87 | Mike Parrott | 76.7 | SEA |
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