| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tommy John | NYA | 6.52 | 198005160_TEX_NYA |
| J.R. Richard | HOU | 5.58 | 198005160_PHI_HOU |
| Steve Rogers | WAS | 5.51 | 198005160_CIN_WAS |
| Mike Caldwell | MIL | 5.04 | 198005160_MIL_MIN |
| Phil Niekro | ATL | 4.66 | 198005160_NYN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jesse Jefferson | TOR | -4.02 | 198005160_OAK_TOR |
| Mike Torrez | BOS | -3.06 | 198005170_BOS_CLE |
| Pete Falcone | NYN | -2.02 | 198005160_NYN_ATL |
| Rich Gale | KCA | -1.9 | 198005160_ANA_KCA |
| Jim Beattie | SEA | -1.77 | 198005160_SEA_CHA |
Based on accumulated WAA for this season up to 1980-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.77 | Mike Norris | 60.7 | OAK |
| +002+ | 3.36 | Tommy John | 65 | NYA |
| +003+ | 3.17 | Matt Keough | 66.3 | OAK |
| +004+ | 2.97 | Britt Burns | 53.3 | CHA |
| +005+ | 2.9 | Randy Jones | 58.7 | SDN |
| +006+ | 2.75 | Steve Carlton | 62 | PHI |
| +007+ | 2.68 | Larry Gura | 59.7 | KCA |
| +008+ | 2.5 | Rick Matula | 48 | ATL |
| +009+ | 2.41 | Dave Stieb | 60.3 | TOR |
| +010+ | 2.3 | Pete Redfern | 57.7 | MIN |
| +011+ | 2.23 | Jon Matlack | 63 | TEX |
| +015+ | 2 | Don Sutton | 48 | LAN |
| +014+ | 2 | Pete Vuckovich | 60.7 | SLN |
| +016+ | 1.99 | Floyd Bannister | 49.7 | SEA |
| +018+ | 1.88 | Tom Underwood | 46.3 | NYA |
| +020+ | 1.83 | Paul Mirabella | 51.3 | TOR |
| +024+ | 1.72 | Don Aase | 51.3 | ANA |
| +025+ | 1.63 | J.R. Richard | 55 | HOU |
| +026+ | 1.61 | Bob Welch | 53 | LAN |
| +036+ | 1.48 | Mike Krukow | 55.3 | CHN |
| +038+ | 1.46 | Rick Honeycutt | 57.7 | SEA |
| +040+ | 1.42 | Ray Burris | 47 | NYN |
| +048+ | 1.32 | David Palmer | 28.7 | WAS |
| +049+ | 1.3 | Bob Forsch | 53 | SLN |
| +054+ | 1.28 | John Candelaria | 56.3 | PIT |
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