| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | PHI | 8.79 | 197709240_PHI_WAS |
| J.R. Richard | HOU | 5.88 | 197709220_ATL_HOU |
| Jim Palmer | BAL | 5.35 | 197709240_BAL_CLE |
| Burt Hooton | LAN | 4.59 | 197709240_LAN_HOU |
| Bert Blyleven | TEX | 4.28 | 197709220_TEX_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Barr | SFN | -2.02 | 197709230_SFN_SDN |
| Diego Segui | SEA | -1.9 | 197709240_CHA_SEA |
| Wayne Simpson | ANA | -1.74 | 197709230_KCA_ANA |
| Tom Hume | CIN | -1.47 | 197709240_CIN_ATL |
| John Denny | SLN | -0.95 | 197709220_SLN_WAS |
Based on accumulated WAA for this season up to 1977-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.18 | Steve Carlton | 275 | PHI |
| +004+ | 8.8 | Nolan Ryan | 293 | ANA |
| +008+ | 7.34 | Tom Seaver | 243.3 | TOT |
| +009+ | 7.28 | Jim Palmer | 308 | BAL |
| +010+ | 7.14 | John Candelaria | 214.3 | PIT |
| +011+ | 6.91 | Rick Reuschel | 237.7 | CHN |
| +012+ | 6.85 | Burt Hooton | 216.3 | LAN |
| +014+ | 6.68 | Bert Blyleven | 234.7 | TEX |
| +021+ | 6.18 | J.R. Richard | 249 | HOU |
| +022+ | 6.14 | Tommy John | 206.3 | LAN |
| +030+ | 5.55 | Steve Rogers | 286.7 | WAS |
| +032+ | 5.37 | Ron Guidry | 195 | NYA |
| +035+ | 5.2 | Dennis Leonard | 275.7 | KCA |
| +045+ | 4.67 | Joe Niekro | 166.7 | HOU |
| +046+ | 4.63 | Don Sutton | 233.3 | LAN |
| +047+ | 4.48 | Dave Rozema | 218.3 | DET |
| +050+ | 4.3 | Ron Reed | 116.3 | PHI |
| +056+ | 4.1 | Bob Knepper | 158 | SFN |
| +057+ | 3.98 | Dave Goltz | 285 | MIN |
| +066+ | 3.69 | Pablo Torrealba | 101.7 | OAK |
| +067+ | 3.59 | Fred Norman | 212.3 | CIN |
| +071+ | 3.52 | Buddy Schultz | 80.3 | SLN |
| +073+ | 3.49 | Jim Rooker | 197.3 | PIT |
| +076+ | 3.27 | Bob Forsch | 208 | SLN |
| +077+ | 3.24 | Ed Halicki | 239.7 | SFN |
_