| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 9.32 | 197807010_BOS_BAL |
| Steve Rogers | WAS | 8.04 | 197807010_SLN_WAS |
| Steve Carlton | PHI | 6.91 | 197806302_PHI_CHN |
| Frank Tanana | ANA | 5.86 | 197807010_TEX_ANA |
| Tom Seaver | CIN | 2.78 | 197807010_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Hume | CIN | -4.18 | 197806290_CIN_HOU |
| Jerry Garvin | TOR | -3.06 | 197806300_CLE_TOR |
| Jack Billingham | DET | -2.12 | 197807010_DET_NYA |
| Jim Colborn | SEA | -1.55 | 197806290_CHA_SEA |
| Jamie Easterly | ATL | -1.19 | 197806301_SFN_ATL |
Based on accumulated WAA for this season up to 1978-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.68 | Ron Guidry | 126 | NYA |
| +002+ | 5.57 | Steve Rogers | 146.3 | WAS |
| +004+ | 4.71 | Jim Palmer | 144.3 | BAL |
| +005+ | 4.65 | Vida Blue | 134.3 | SFN |
| +009+ | 3.77 | Bob Knepper | 136.3 | SFN |
| +010+ | 3.72 | Rick Reuschel | 115.3 | CHN |
| +012+ | 3.57 | Matt Keough | 96 | OAK |
| +016+ | 3.41 | Steve Carlton | 122 | PHI |
| +019+ | 3.11 | Jon Matlack | 121.3 | TEX |
| +020+ | 3.1 | Rick Waits | 110.7 | CLE |
| +023+ | 2.89 | Mike Caldwell | 133 | MIL |
| +029+ | 2.7 | Tom Dixon | 68.7 | HOU |
| +031+ | 2.69 | Ross Grimsley | 135 | WAS |
| +033+ | 2.63 | Gaylord Perry | 115.7 | SDN |
| +036+ | 2.6 | John Henry Johnson | 97 | OAK |
| +042+ | 2.41 | Randy Jones | 125.3 | SDN |
| +041+ | 2.41 | Pete Vuckovich | 76.3 | SLN |
| +043+ | 2.4 | Manny Sarmiento | 74.7 | CIN |
| +046+ | 2.32 | John D'Acquisto | 44 | SDN |
| +048+ | 2.3 | John Denny | 128.3 | SLN |
| +054+ | 2.23 | Dave Rozema | 70.3 | DET |
| +057+ | 2.17 | Craig Swan | 96 | NYN |
| +058+ | 2.15 | Phil Niekro | 148.7 | ATL |
| +061+ | 2.13 | Paul Splittorff | 133.3 | KCA |
| +059+ | 2.13 | Frank Tanana | 130 | ANA |
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