| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.R. Richard | HOU | 8.55 | 197909290_HOU_LAN |
| Ron Guidry | NYA | 6.65 | 197909300_TOR_NYA |
| Mike Flanagan | BAL | 4.38 | 197909290_BAL_CLE |
| Steve Rogers | WAS | 3.9 | 197909300_PHI_WAS |
| Phil Niekro | ATL | 3.6 | 197909300_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Huffman | TOR | -5.59 | 197909290_TOR_NYA |
| Paul Hartzell | MIN | -2.69 | 197909290_MIL_MIN |
| Craig Minetto | OAK | -1.88 | 197909300_OAK_KCA |
| Chris Knapp | ANA | -1.68 | 197909300_ANA_TEX |
| Mike Torrez | BOS | -1.52 | 197909280_BOS_DET |
Based on accumulated WAA for this season up to 1979-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.69 | J.R. Richard | 292.3 | HOU |
| +010+ | 7.23 | Ron Guidry | 236.3 | NYA |
| +015+ | 6.53 | Tommy John | 276.3 | NYA |
| +018+ | 6.03 | Joe Niekro | 263.7 | HOU |
| +020+ | 5.7 | Dennis Eckersley | 247 | BOS |
| +021+ | 5.61 | Steve Rogers | 248.7 | WAS |
| +023+ | 5.35 | Mike Flanagan | 265.7 | BAL |
| +024+ | 5.2 | Phil Niekro | 342 | ATL |
| +026+ | 5.06 | Burt Hooton | 212 | LAN |
| +029+ | 4.83 | Gaylord Perry | 232.7 | SDN |
| +037+ | 4.64 | Bill Lee | 222 | WAS |
| +038+ | 4.61 | John Fulgham | 146 | SLN |
| +046+ | 4.38 | Dan Schatzeder | 162 | WAS |
| +048+ | 4.26 | Mike Marshall | 142.7 | MIN |
| +050+ | 4.22 | Tom Seaver | 215 | CIN |
| +053+ | 4.12 | Ken Forsch | 177.7 | HOU |
| +061+ | 3.78 | Jerry Koosman | 263.7 | MIN |
| +062+ | 3.76 | Mike Caldwell | 235 | MIL |
| +063+ | 3.7 | David Palmer | 122.7 | WAS |
| +066+ | 3.56 | Rudy May | 93.7 | WAS |
| +070+ | 3.49 | Craig Swan | 251.3 | NYN |
| +074+ | 3.37 | Jim Bibby | 137.7 | PIT |
| +076+ | 3.34 | Jack Morris | 197.7 | DET |
| +087+ | 3.02 | Rick Sutcliffe | 242 | LAN |
| +089+ | 2.96 | Silvio Martinez | 206.7 | SLN |
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