| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 7.16 | 197805160_BAL_MIN |
| Steve Carlton | PHI | 5.9 | 197805160_PHI_HOU |
| Nolan Ryan | ANA | 4.53 | 197805170_ANA_CHA |
| Rick Reuschel | CHN | 4.26 | 197805160_CHN_SFN |
| Tommy John | LAN | 3.19 | 197805170_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Billingham | DET | -2.1 | 197805170_DET_MIL |
| Jerry Augustine | MIL | -1.54 | 197805170_DET_MIL |
| Roger Erickson | MIN | -1.19 | 197805150_BAL_MIN |
| Bill Bonham | CIN | -1.11 | 197805170_CIN_WAS |
| Randy Lerch | PHI | -1.08 | 197805170_PHI_HOU |
Based on accumulated WAA for this season up to 1978-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.5 | Rick Reuschel | 69 | CHN |
| +004+ | 2.47 | Ron Guidry | 50.3 | NYA |
| +006+ | 2.3 | Bob Knepper | 62 | SFN |
| +008+ | 2.19 | Gaylord Perry | 54.3 | SDN |
| +009+ | 2.13 | John Henry Johnson | 49.7 | OAK |
| +011+ | 2.06 | Joaquin Andujar | 55.7 | HOU |
| +014+ | 1.99 | Bob Forsch | 64 | SLN |
| +017+ | 1.9 | Paul Splittorff | 70.3 | KCA |
| +021+ | 1.81 | Bill Lee | 64.3 | BOS |
| +023+ | 1.79 | Steve Carlton | 55.7 | PHI |
| +024+ | 1.77 | Don Robinson | 53 | PIT |
| +027+ | 1.75 | Ross Grimsley | 58.7 | WAS |
| +030+ | 1.72 | Tommy John | 63.7 | LAN |
| +029+ | 1.72 | Manny Sarmiento | 30.3 | CIN |
| +033+ | 1.64 | Matt Keough | 44 | OAK |
| +038+ | 1.5 | Bob Sykes | 18 | DET |
| +040+ | 1.45 | Dave Rozema | 40 | DET |
| +041+ | 1.44 | Randy Jones | 53 | SDN |
| +043+ | 1.41 | Phil Niekro | 73.7 | ATL |
| +046+ | 1.39 | Steve Rogers | 57 | WAS |
| +047+ | 1.37 | Rick Waits | 48.3 | CLE |
| +053+ | 1.26 | Fred Norman | 54.7 | CIN |
| XXXXX | 1.21 | Ferguson Jenkins | 48.3 | TEX |
| XXXXX | 1.21 | Geoff Zahn | 53.3 | MIN |
| XXXXX | 1.17 | Craig Swan | 48.7 | NYN |
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