| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 12.92 | 197804290_BAL_CHA |
| Bert Blyleven | PIT | 5.46 | 197804300_SFN_PIT |
| Tom Seaver | CIN | 3.44 | 197805010_PHI_CIN |
| Steve Carlton | PHI | 3.43 | 197805010_PHI_CIN |
| 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 |
| Tom Hume | CIN | -1.39 | 197804300_CIN_NYN |
Based on accumulated WAA for this season up to 1978-05-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 1.95 | Ray Burris | 37.3 | CHN |
| +005+ | 1.94 | Rick Reuschel | 39.7 | CHN |
| +007+ | 1.88 | Ron Guidry | 36 | NYA |
| +008+ | 1.86 | Jim Palmer | 32.7 | BAL |
| +010+ | 1.79 | Ross Grimsley | 35.3 | WAS |
| +012+ | 1.56 | Tommy John | 34.7 | LAN |
| +013+ | 1.53 | Nolan Ryan | 41 | ANA |
| +014+ | 1.49 | John Henry Johnson | 28.7 | OAK |
| +017+ | 1.46 | Dave Rozema | 32.3 | DET |
| +018+ | 1.45 | John Montefusco | 34.3 | SFN |
| +024+ | 1.38 | Pat Zachry | 34 | NYN |
| +025+ | 1.37 | Paul Splittorff | 46.7 | KCA |
| +026+ | 1.36 | Pete Broberg | 27 | OAK |
| +027+ | 1.34 | Bill Lee | 40 | BOS |
| +029+ | 1.31 | Craig Swan | 35.7 | NYN |
| XXXXX | 1.22 | John Denny | 40.3 | SLN |
| XXXXX | 1.18 | Gary Serum | 24.3 | MIN |
| XXXXX | 1.16 | Rick Langford | 32.3 | OAK |
| XXXXX | 1.12 | Don Robinson | 32.3 | PIT |
| XXXXX | 1.09 | Phil Niekro | 44 | ATL |
| XXXXX | 1.06 | Rick Rhoden | 31.3 | LAN |
| XXXXX | 1.06 | Frank Tanana | 40.3 | ANA |
| XXXXX | 1.05 | Rick Waits | 26 | CLE |
| XXXXX | 0.98 | Rick Wise | 37 | CLE |
| XXXXX | 0.97 | Gaylord Perry | 30.3 | SDN |
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