| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 5.38 | 197904290_BAL_OAK |
| Tommy John | NYA | 5.07 | 197904290_NYA_SEA |
| J.R. Richard | HOU | 4.63 | 197905010_HOU_SLN |
| Gaylord Perry | SDN | 3.63 | 197905010_SDN_NYN |
| Steve Rogers | WAS | 3.58 | 197904300_LAN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Travers | MIL | -2.98 | 197904292_MIL_TOR |
| Wayne Twitchell | NYN | -2.25 | 197905010_SDN_NYN |
| Steve Stone | BAL | -2.01 | 197904300_BAL_SEA |
| Ken Holtzman | CHN | -1.93 | 197905010_CHN_CIN |
| Rick Wise | CLE | -1.82 | 197904290_CLE_KCA |
Based on accumulated WAA for this season up to 1979-05-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.74 | Tommy John | 42.7 | NYA |
| +002+ | 2.35 | Mike Caldwell | 44 | MIL |
| +005+ | 2.03 | Nino Espinosa | 34 | PHI |
| +007+ | 1.91 | Phil Niekro | 55.7 | ATL |
| +012+ | 1.53 | Ken Forsch | 39.3 | HOU |
| +014+ | 1.5 | Jim Slaton | 28.7 | MIL |
| +015+ | 1.49 | Craig Swan | 45 | NYN |
| +018+ | 1.43 | Ferguson Jenkins | 43.7 | TEX |
| +019+ | 1.41 | Dick Ruthven | 38.7 | PHI |
| +021+ | 1.36 | Burt Hooton | 39.3 | LAN |
| +022+ | 1.35 | Joaquin Andujar | 23.7 | HOU |
| +024+ | 1.27 | Don Sutton | 40.7 | LAN |
| XXXXX | 1.24 | J.R. Richard | 40.7 | HOU |
| XXXXX | 1.16 | Pete Vuckovich | 32 | SLN |
| XXXXX | 1.13 | Don Robinson | 33.3 | PIT |
| XXXXX | 1.09 | Dennis Lamp | 25.3 | CHN |
| XXXXX | 1.04 | Dave Lemanczyk | 28.3 | TOR |
| XXXXX | 1.02 | Vern Ruhle | 36 | HOU |
| XXXXX | 1 | Bob Knepper | 41.3 | SFN |
| XXXXX | 0.98 | Dennis Leonard | 38 | KCA |
| XXXXX | 0.95 | Ron Guidry | 37 | NYA |
| XXXXX | 0.91 | Gaylord Perry | 38 | SDN |
| XXXXX | 0.83 | Lary Sorensen | 45.7 | MIL |
| XXXXX | 0.81 | Jim Palmer | 42 | BAL |
| XXXXX | 0.79 | Bob Welch | 31 | LAN |
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