| Starter | Tm | Tier | Game |
|---|---|---|---|
| Randy Lerch | PHI | -3.3 | 197709051_PHI_PIT |
| Ray Burris | CHN | -2.16 | 197709040_CHN_SDN |
| Bruce Kison | PIT | -1.45 | 197709052_PHI_PIT |
| Paul Mitchell | SEA | -1.44 | 197709040_SEA_TOR |
| Luis Tiant | BOS | -1.32 | 197709040_BOS_TEX |
Based on accumulated WAA for this season up to 1977-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.64 | Nolan Ryan | 274.7 | ANA |
| +003+ | 8.44 | Frank Tanana | 241.3 | ANA |
| +006+ | 7.32 | Steve Carlton | 240 | PHI |
| +008+ | 6.85 | Rick Reuschel | 218 | CHN |
| +009+ | 6.73 | Bert Blyleven | 222 | TEX |
| +010+ | 6.62 | John Candelaria | 189.3 | PIT |
| +011+ | 6.45 | J.R. Richard | 223 | HOU |
| +014+ | 6.05 | Burt Hooton | 199.3 | LAN |
| +016+ | 5.98 | Tommy John | 180.3 | LAN |
| +017+ | 5.86 | Tom Seaver | 217.3 | TOT |
| +021+ | 5.42 | Steve Rogers | 256 | WAS |
| +030+ | 4.85 | Dave Rozema | 212.3 | DET |
| +033+ | 4.74 | Don Sutton | 203.3 | LAN |
| +041+ | 4.52 | Pablo Torrealba | 90 | OAK |
| +045+ | 4.14 | Ron Guidry | 167.3 | NYA |
| +046+ | 4.12 | Jim Palmer | 264 | BAL |
| +048+ | 4.06 | Fred Norman | 196 | CIN |
| +049+ | 4.05 | Buddy Schultz | 68 | SLN |
| +053+ | 3.83 | John Urrea | 124 | SLN |
| +055+ | 3.75 | Dave Goltz | 244.7 | MIN |
| +057+ | 3.68 | Joe Niekro | 139 | HOU |
| +063+ | 3.52 | Dennis Leonard | 239.7 | KCA |
| +064+ | 3.44 | Gaylord Perry | 204.7 | TEX |
| +068+ | 3.3 | Dennis Eckersley | 225.3 | CLE |
| +070+ | 3.05 | Ed Halicki | 211.3 | SFN |
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