| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 12.14 | 197709120_ANA_TEX |
| Rick Reuschel | CHN | 6.09 | 197709110_NYN_CHN |
| Steve Rogers | WAS | 4.84 | 197709130_NYN_WAS |
| J.R. Richard | HOU | 3.87 | 197709120_HOU_CIN |
| Jim Palmer | BAL | 3.19 | 197709120_BAL_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pat Dobson | CLE | -4.57 | 197709110_CLE_BAL |
| Jack Billingham | CIN | -2.3 | 197709110_LAN_CIN |
| Jim Kaat | PHI | -2.01 | 197709130_PIT_PHI |
| Bruce Kison | PIT | -1.96 | 197709110_WAS_PIT |
| Wayne Simpson | ANA | -1.77 | 197709112_CHA_ANA |
Based on accumulated WAA for this season up to 1977-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.29 | Nolan Ryan | 288 | ANA |
| +006+ | 7.32 | Steve Carlton | 249 | PHI |
| +009+ | 6.59 | Tommy John | 189.3 | LAN |
| +010+ | 6.47 | Rick Reuschel | 231.7 | CHN |
| +011+ | 6.47 | John Candelaria | 196.7 | PIT |
| +012+ | 6.23 | Burt Hooton | 201.3 | LAN |
| +013+ | 6.22 | Tom Seaver | 225.3 | TOT |
| +015+ | 6.09 | Bert Blyleven | 225.7 | TEX |
| +016+ | 5.93 | J.R. Richard | 233 | HOU |
| +021+ | 5.84 | Steve Rogers | 269 | WAS |
| +025+ | 5.67 | Jim Palmer | 281 | BAL |
| +040+ | 4.87 | Ron Guidry | 186.3 | NYA |
| +041+ | 4.79 | Pablo Torrealba | 95 | OAK |
| +043+ | 4.64 | Dave Rozema | 218.3 | DET |
| +044+ | 4.62 | Don Sutton | 218 | LAN |
| +048+ | 4.32 | Joe Niekro | 148 | HOU |
| +053+ | 4.16 | Buddy Schultz | 73.3 | SLN |
| +052+ | 4.16 | Dennis Leonard | 248.7 | KCA |
| +054+ | 4.11 | Fred Norman | 203 | CIN |
| +057+ | 3.89 | Dave Goltz | 261.3 | MIN |
| +062+ | 3.63 | Bob Forsch | 197.3 | SLN |
| +066+ | 3.47 | Ed Halicki | 224.7 | SFN |
| +068+ | 3.43 | Bob Knepper | 140.7 | SFN |
| +067+ | 3.43 | Ron Reed | 106.3 | PHI |
| +072+ | 3.14 | Jim Rooker | 183.3 | PIT |
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