| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wayne Simpson | ANA | -2.48 | 197709290_ANA_KCA |
| Pete Falcone | SLN | -1.58 | 197709302_NYN_SLN |
| Al Fitzmorris | CLE | -1.56 | 197709280_CLE_NYA |
| Paul Mitchell | SEA | -1.48 | 197709290_SEA_TEX |
| Stan Bahnsen | WAS | -1.13 | 197709300_WAS_PHI |
Based on accumulated WAA for this season up to 1977-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.12 | Steve Carlton | 283 | PHI |
| +004+ | 8.85 | Tom Seaver | 261.3 | TOT |
| +005+ | 8.77 | Nolan Ryan | 299 | ANA |
| +006+ | 8.44 | John Candelaria | 230.7 | PIT |
| +010+ | 7.9 | Jim Palmer | 319 | BAL |
| +013+ | 6.8 | Burt Hooton | 216.3 | LAN |
| +014+ | 6.79 | Rick Reuschel | 252 | CHN |
| +018+ | 6.63 | Bert Blyleven | 234.7 | TEX |
| +025+ | 6.02 | Steve Rogers | 295.7 | WAS |
| +026+ | 5.93 | J.R. Richard | 258 | HOU |
| +027+ | 5.91 | Tommy John | 220.3 | LAN |
| +030+ | 5.79 | Ron Guidry | 210.7 | NYA |
| +032+ | 5.67 | Dennis Leonard | 283.7 | KCA |
| +049+ | 4.38 | Don Sutton | 240.3 | LAN |
| +054+ | 4.08 | Dave Goltz | 294 | MIN |
| +055+ | 4.05 | Joe Niekro | 180.7 | HOU |
| +057+ | 3.94 | Jim Rooker | 204.3 | PIT |
| +059+ | 3.93 | Ed Halicki | 248.7 | SFN |
| +068+ | 3.55 | Pablo Torrealba | 116.7 | OAK |
| +070+ | 3.52 | Buddy Schultz | 80.3 | SLN |
| +072+ | 3.49 | Bob Forsch | 217 | SLN |
| +078+ | 3.32 | Joe Coleman | 127.7 | OAK |
| +079+ | 3.31 | Ron Reed | 121.3 | PHI |
| +082+ | 3.25 | Fred Norman | 215.3 | CIN |
| +084+ | 3.16 | Gaylord Perry | 238 | TEX |
_