| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 12.92 | 197804290_BAL_CHA |
| Bert Blyleven | PIT | 5.46 | 197804300_SFN_PIT |
| Jerry Koosman | NYN | 4.21 | 197804280_CIN_NYN |
| John Montefusco | SFN | 3.4 | 197804280_SFN_PIT |
| Steve Rogers | WAS | 3.1 | 197804290_WAS_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Lemanczyk | TOR | -5.05 | 197804290_TOR_ANA |
| Paul Mitchell | SEA | -3.79 | 197804290_DET_SEA |
| Geoff Zahn | MIN | -2.1 | 197804290_NYA_MIN |
| Jack Billingham | DET | -2.05 | 197804300_DET_SEA |
| Steve Stone | CHA | -1.68 | 197804280_BAL_CHA |
Based on accumulated WAA for this season up to 1978-04-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 1.94 | Ray Burris | 37.3 | CHN |
| +005+ | 1.93 | Rick Reuschel | 39.7 | CHN |
| +006+ | 1.86 | Ron Guidry | 36 | NYA |
| +007+ | 1.84 | Jim Palmer | 32.7 | BAL |
| +008+ | 1.83 | Paul Splittorff | 40.3 | KCA |
| +010+ | 1.78 | Ross Grimsley | 35.3 | WAS |
| +013+ | 1.57 | Craig Swan | 29 | NYN |
| +014+ | 1.55 | Tommy John | 34.7 | LAN |
| +016+ | 1.52 | Nolan Ryan | 41 | ANA |
| +018+ | 1.48 | John Henry Johnson | 28.7 | OAK |
| +022+ | 1.44 | John Montefusco | 34.3 | SFN |
| +020+ | 1.44 | Dave Rozema | 32.3 | DET |
| +027+ | 1.35 | Pete Broberg | 27 | OAK |
| +026+ | 1.35 | Pat Zachry | 34 | NYN |
| +028+ | 1.32 | Bill Lee | 40 | BOS |
| XXXXX | 1.17 | Gary Serum | 24.3 | MIN |
| XXXXX | 1.15 | Rick Langford | 32.3 | OAK |
| XXXXX | 1.11 | Don Robinson | 32.3 | PIT |
| XXXXX | 1.07 | Phil Niekro | 44 | ATL |
| XXXXX | 1.05 | Rick Rhoden | 31.3 | LAN |
| XXXXX | 1.04 | Rick Waits | 26 | CLE |
| XXXXX | 1.04 | Frank Tanana | 40.3 | ANA |
| XXXXX | 1 | Gaylord Perry | 23.7 | SDN |
| XXXXX | 0.99 | John Denny | 33 | SLN |
| XXXXX | 0.97 | Rick Wise | 37 | CLE |
_