| 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 |
| Steve Rogers | WAS | 3.78 | 197805180_CIN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Billingham | DET | -2.1 | 197805170_DET_MIL |
| Jerry Augustine | MIL | -1.54 | 197805170_DET_MIL |
| Bill Bonham | CIN | -1.11 | 197805170_CIN_WAS |
| Randy Lerch | PHI | -1.08 | 197805170_PHI_HOU |
| Ken Holtzman | NYA | -1.05 | 197805160_NYA_CHA |
Based on accumulated WAA for this season up to 1978-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.62 | Ron Guidry | 58.7 | NYA |
| +005+ | 2.56 | Rick Reuschel | 69 | CHN |
| +007+ | 2.35 | Bob Knepper | 62 | SFN |
| +009+ | 2.23 | Gaylord Perry | 54.3 | SDN |
| +010+ | 2.19 | John Henry Johnson | 49.7 | OAK |
| +011+ | 2.11 | Joaquin Andujar | 55.7 | HOU |
| +013+ | 2.04 | Bob Forsch | 64 | SLN |
| +015+ | 1.96 | Paul Splittorff | 70.3 | KCA |
| +020+ | 1.87 | Bill Lee | 64.3 | BOS |
| +021+ | 1.84 | Steve Carlton | 55.7 | PHI |
| +022+ | 1.82 | Don Robinson | 53 | PIT |
| +023+ | 1.8 | Ross Grimsley | 58.7 | WAS |
| +025+ | 1.77 | Tommy John | 63.7 | LAN |
| +026+ | 1.75 | Manny Sarmiento | 30.3 | CIN |
| +034+ | 1.61 | Steve Rogers | 66 | WAS |
| +037+ | 1.53 | Bob Sykes | 18 | DET |
| +041+ | 1.5 | Dave Rozema | 40 | DET |
| +043+ | 1.49 | Randy Jones | 53 | SDN |
| +042+ | 1.49 | Fred Norman | 61.7 | CIN |
| +044+ | 1.46 | Phil Niekro | 73.7 | ATL |
| +045+ | 1.41 | Rick Waits | 48.3 | CLE |
| XXXXX | 1.25 | Ferguson Jenkins | 48.3 | TEX |
| XXXXX | 1.2 | Craig Swan | 48.7 | NYN |
| XXXXX | 1.18 | John Montefusco | 55.7 | SFN |
| XXXXX | 1.15 | Nolan Ryan | 66 | ANA |
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