| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Reuschel | CHN | 4.54 | 197805210_SLN_CHN |
| Tommy John | LAN | 4.03 | 197805230_LAN_SDN |
| Steve Rogers | WAS | 3.92 | 197805220_PIT_WAS |
| Ron Guidry | NYA | 3.66 | 197805230_CLE_NYA |
| Vida Blue | SFN | 3.19 | 197805230_HOU_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Pole | SEA | -5.2 | 197805231_KCA_SEA |
| Jesse Jefferson | TOR | -2.79 | 197805230_BOS_TOR |
| Jack Billingham | DET | -1.83 | 197805230_DET_BAL |
| Jerry Augustine | MIL | -1.7 | 197805230_MIL_OAK |
| Francisco Barrios | CHA | -1.56 | 197805212_CHA_OAK |
Based on accumulated WAA for this season up to 1978-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.19 | Ron Guidry | 67.7 | NYA |
| +003+ | 2.95 | John Henry Johnson | 58.7 | OAK |
| +006+ | 2.76 | Rick Reuschel | 76.3 | CHN |
| +010+ | 2.48 | Bob Forsch | 71 | SLN |
| +013+ | 2.12 | Bill Lee | 72.3 | BOS |
| +012+ | 2.12 | Paul Splittorff | 79.3 | KCA |
| +016+ | 2.1 | Gaylord Perry | 59.7 | SDN |
| +014+ | 2.1 | Joaquin Andujar | 55.7 | HOU |
| +015+ | 2.1 | Don Robinson | 61 | PIT |
| +018+ | 2.05 | Tommy John | 71.7 | LAN |
| +025+ | 1.97 | Manny Sarmiento | 35.3 | CIN |
| +027+ | 1.96 | Bob Knepper | 67 | SFN |
| +029+ | 1.83 | Steve Rogers | 73.7 | WAS |
| +031+ | 1.81 | Randy Jones | 66 | SDN |
| +032+ | 1.76 | Ross Grimsley | 65.7 | WAS |
| +036+ | 1.58 | Fred Norman | 67.7 | CIN |
| +037+ | 1.56 | Rick Waits | 57.3 | CLE |
| +038+ | 1.56 | Frank Tanana | 70.7 | ANA |
| +042+ | 1.55 | Craig Swan | 55.7 | NYN |
| +041+ | 1.55 | Geoff Zahn | 66.3 | MIN |
| +045+ | 1.5 | Steve Carlton | 62 | PHI |
| +047+ | 1.4 | Mike Flanagan | 71.7 | BAL |
| +048+ | 1.37 | Bob Sykes | 26 | DET |
| +053+ | 1.33 | Matt Keough | 52 | OAK |
| +054+ | 1.32 | Vida Blue | 69.3 | SFN |
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