| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 6.82 | 197909030_BOS_NYA |
| Dennis Eckersley | BOS | 5.74 | 197909030_BOS_NYA |
| Burt Hooton | LAN | 4.75 | 197909040_LAN_HOU |
| Joe Niekro | HOU | 3.97 | 197909030_LAN_HOU |
| Bill Lee | WAS | 3.87 | 197909031_NYN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dock Ellis | NYN | -6.01 | 197909040_NYN_WAS |
| Matt Keough | OAK | -5.01 | 197909050_MIL_OAK |
| John Denny | SLN | -2.15 | 197909050_PIT_SLN |
| Mike Torrez | BOS | -1.51 | 197909040_BOS_NYA |
| Rob Dressler | SEA | -1.43 | 197909050_TEX_SEA |
Based on accumulated WAA for this season up to 1979-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 6.15 | Steve Rogers | 210.3 | WAS |
| +011+ | 6.03 | J.R. Richard | 243.3 | HOU |
| +015+ | 5.76 | Tommy John | 234 | NYA |
| +017+ | 5.73 | Ron Guidry | 200 | NYA |
| +019+ | 5.52 | Joe Niekro | 226.7 | HOU |
| +021+ | 5.25 | Burt Hooton | 212 | LAN |
| +022+ | 5.02 | Gaylord Perry | 232.7 | SDN |
| +023+ | 4.82 | Dennis Eckersley | 222 | BOS |
| +036+ | 4.2 | Mike Marshall | 128.3 | MIN |
| +040+ | 4.04 | Joaquin Andujar | 186.3 | HOU |
| +041+ | 4.02 | Mike LaCoss | 185.7 | CIN |
| +042+ | 3.95 | Craig Swan | 215 | NYN |
| +044+ | 3.89 | Jerry Koosman | 224.7 | MIN |
| +045+ | 3.88 | Bill Lee | 183.7 | WAS |
| +050+ | 3.76 | Mike Caldwell | 207.7 | MIL |
| +051+ | 3.72 | John Fulgham | 111.7 | SLN |
| +053+ | 3.66 | Mike Flanagan | 227.3 | BAL |
| +054+ | 3.65 | Phil Niekro | 291 | ATL |
| +060+ | 3.33 | Dan Schatzeder | 132.7 | WAS |
| +062+ | 3.19 | Jim Bibby | 110.3 | PIT |
| +066+ | 3.11 | Rick Reuschel | 209 | CHN |
| +065+ | 3.11 | John Candelaria | 187.3 | PIT |
| +072+ | 3 | Dave Frost | 214 | ANA |
| +076+ | 2.93 | Ken Forsch | 145.3 | HOU |
| +080+ | 2.85 | Jim Palmer | 130.3 | BAL |
_