| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Tanana | ANA | 20.5 | 197706280_KCA_ANA |
| Tom Seaver | CIN | 7.48 | 197706290_SFN_CIN |
| Mark Fidrych | DET | 3.73 | 197706290_BOS_DET |
| Don Sutton | LAN | 3.44 | 197706290_LAN_ATL |
| Dennis Eckersley | CLE | 2.71 | 197706270_BAL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Santo Alcala | WAS | -3.62 | 197706270_CHN_WAS |
| Pat Dobson | CLE | -2.95 | 197706292_BAL_CLE |
| Tom Griffin | SDN | -2.1 | 197706270_SDN_HOU |
| Larry Christenson | PHI | -2.06 | 197706280_PHI_NYN |
| Steve Hargan | ATL | -1.91 | 197706280_LAN_ATL |
Based on accumulated WAA for this season up to 1977-06-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.73 | Frank Tanana | 153.3 | ANA |
| +002+ | 5.53 | Nolan Ryan | 161.3 | ANA |
| +004+ | 5.13 | Bert Blyleven | 134.3 | TEX |
| +009+ | 4.76 | Steve Rogers | 144 | WAS |
| +011+ | 4.35 | John Candelaria | 96.7 | PIT |
| +013+ | 4.2 | Rick Reuschel | 114 | CHN |
| +022+ | 3.53 | Mark Fidrych | 69 | DET |
| +024+ | 3.31 | Don Sutton | 113.3 | LAN |
| +025+ | 3.26 | Tom Seaver | 121 | TOT |
| +027+ | 3.1 | Ed Halicki | 115 | SFN |
| +032+ | 2.99 | Dave Rozema | 108 | DET |
| +034+ | 2.93 | Jim Slaton | 112 | MIL |
| +035+ | 2.87 | Steve Carlton | 119.3 | PHI |
| +038+ | 2.77 | Burt Hooton | 100.7 | LAN |
| +039+ | 2.74 | Ferguson Jenkins | 118.3 | BOS |
| +045+ | 2.64 | Jerry Koosman | 118.7 | NYN |
| +046+ | 2.62 | Jim Palmer | 155 | BAL |
| +051+ | 2.5 | Ed Figueroa | 108.3 | NYA |
| +052+ | 2.47 | Rick Langford | 91 | OAK |
| +057+ | 2.38 | Buddy Schultz | 39.3 | SLN |
| +059+ | 2.32 | Dennis Martinez | 79.3 | BAL |
| +062+ | 2.24 | J.R. Richard | 127.7 | HOU |
| +068+ | 2.11 | Pete Vuckovich | 74.7 | TOR |
| +074+ | 1.92 | Fernando Arroyo | 96.7 | DET |
| +076+ | 1.89 | Joaquin Andujar | 103.7 | HOU |
_