| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Tanana | ANA | 7.75 | 197806090_NYA_ANA |
| J.R. Richard | HOU | 5.61 | 197806090_HOU_SLN |
| Rick Reuschel | CHN | 5.26 | 197806080_CIN_CHN |
| Ron Guidry | NYA | 4.87 | 197806070_NYA_SEA |
| Steve Rogers | WAS | 4.69 | 197806080_LAN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Billingham | DET | -1.65 | 197806090_KCA_DET |
| Ken Brett | ANA | -1.51 | 197806071_ANA_OAK |
| Pete Falcone | SLN | -1.43 | 197806070_ATL_SLN |
| Paul Mitchell | SEA | -1.26 | 197806090_BOS_SEA |
| Ken Kravec | CHA | -1.06 | 197806070_CHA_MIN |
Based on accumulated WAA for this season up to 1978-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.3 | Ron Guidry | 94 | NYA |
| +004+ | 3.77 | Bob Knepper | 101.3 | SFN |
| +005+ | 3.65 | Rick Reuschel | 107.3 | CHN |
| +006+ | 3.51 | Jim Palmer | 93.3 | BAL |
| +008+ | 3.24 | Steve Rogers | 106 | WAS |
| +010+ | 3.1 | Paul Splittorff | 110.3 | KCA |
| +012+ | 2.79 | Matt Keough | 74.7 | OAK |
| +014+ | 2.71 | Frank Tanana | 102 | ANA |
| +016+ | 2.65 | Ross Grimsley | 101.7 | WAS |
| +017+ | 2.61 | Bob Forsch | 93 | SLN |
| +022+ | 2.39 | John Denny | 95.3 | SLN |
| +028+ | 2.14 | Steve Carlton | 86 | PHI |
| +029+ | 2.09 | Pete Vuckovich | 48.3 | SLN |
| +031+ | 2.02 | Manny Sarmiento | 51 | CIN |
| +033+ | 2 | Jon Matlack | 92.7 | TEX |
| +037+ | 1.86 | John Henry Johnson | 73.7 | OAK |
| +039+ | 1.84 | Phil Niekro | 110.3 | ATL |
| +042+ | 1.78 | Mike Flanagan | 102.3 | BAL |
| +047+ | 1.77 | Rick Langford | 62.7 | OAK |
| +049+ | 1.69 | Vida Blue | 91.7 | SFN |
| +051+ | 1.66 | Craig Swan | 73 | NYN |
| +054+ | 1.63 | John D'Acquisto | 28.3 | SDN |
| +055+ | 1.61 | Ferguson Jenkins | 80.7 | TEX |
| +056+ | 1.59 | Bill Bonham | 65.7 | CIN |
| +057+ | 1.58 | Geoff Zahn | 85.3 | MIN |
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