| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ron Guidry | NYA | 7.65 | 197807021_DET_NYA |
| Vida Blue | SFN | 6.63 | 197807020_SFN_ATL |
| John Candelaria | PIT | 2.56 | 197807030_WAS_PIT |
| Gaylord Perry | SDN | 1.94 | 197807020_SDN_HOU |
| Dave Rozema | DET | 1.9 | 197807021_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Lemanczyk | TOR | -12.01 | 197807021_CLE_TOR |
| Dick Pole | SEA | -6.26 | 197807020_MIL_SEA |
| Tom Hume | CIN | -4.31 | 197807040_HOU_CIN |
| Ken Brett | ANA | -1.85 | 197807020_TEX_ANA |
| John Urrea | SLN | -1.67 | 197807022_SLN_WAS |
Based on accumulated WAA for this season up to 1978-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.99 | Ron Guidry | 134 | NYA |
| +002+ | 5.79 | Steve Rogers | 148.3 | WAS |
| +004+ | 4.75 | Jim Palmer | 144.3 | BAL |
| +008+ | 4.15 | Vida Blue | 140.3 | SFN |
| +009+ | 3.88 | Rick Waits | 119.3 | CLE |
| +010+ | 3.81 | Bob Knepper | 136.3 | SFN |
| +011+ | 3.75 | Rick Reuschel | 115.3 | CHN |
| +013+ | 3.59 | Matt Keough | 96 | OAK |
| +014+ | 3.45 | Steve Carlton | 122 | PHI |
| +019+ | 3.18 | Jon Matlack | 121.3 | TEX |
| +021+ | 3.16 | Mike Caldwell | 143 | MIL |
| +026+ | 3.07 | Gaylord Perry | 123 | SDN |
| +030+ | 2.74 | Ross Grimsley | 135 | WAS |
| +037+ | 2.62 | Dave Rozema | 77 | DET |
| +038+ | 2.62 | Randy Jones | 132.3 | SDN |
| +036+ | 2.62 | John Henry Johnson | 97 | OAK |
| +040+ | 2.58 | Pete Vuckovich | 83 | SLN |
| +049+ | 2.32 | Craig Swan | 105 | NYN |
| +050+ | 2.31 | John Denny | 128.3 | SLN |
| +052+ | 2.25 | Tom Dixon | 75.7 | HOU |
| +053+ | 2.23 | John D'Acquisto | 47.7 | SDN |
| +054+ | 2.19 | Paul Splittorff | 133.7 | KCA |
| +056+ | 2.18 | Ferguson Jenkins | 117 | TEX |
| +058+ | 2.17 | Frank Tanana | 130 | ANA |
| +059+ | 2.15 | Manny Sarmiento | 76.7 | CIN |
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