| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 12.66 | 196807211_NYN_SLN |
| Luis Tiant | CLE | 7.42 | 196807200_CLE_NYA |
| Don Drysdale | LAN | 5.57 | 196807200_CHN_LAN |
| Tommy John | CHA | 3.21 | 196807200_ANA_CHA |
| Chris Short | PHI | 2.14 | 196807210_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -6.22 | 196807210_PHI_CIN |
| Milt Pappas | ATL | -3.43 | 196807210_PIT_ATL |
| Ray Culp | BOS | -3.39 | 196807211_TEX_BOS |
| Frank Bertaina | TEX | -2.57 | 196807200_TEX_BOS |
| Sammy Ellis | ANA | -2.29 | 196807200_ANA_CHA |
Based on accumulated WAA for this season up to 1968-07-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.86 | Bob Gibson | 178.7 | SLN |
| +003+ | 6.48 | Luis Tiant | 167.7 | CLE |
| +004+ | 5.41 | Don Drysdale | 179.3 | LAN |
| +006+ | 5.13 | Sam McDowell | 166.3 | CLE |
| +010+ | 4.35 | Tom Seaver | 168.7 | NYN |
| +014+ | 3.84 | Denny McLain | 194.3 | DET |
| +016+ | 3.8 | Jerry Koosman | 154.3 | NYN |
| +020+ | 3.35 | Bob Veale | 152 | PIT |
| +021+ | 3.32 | Tom Phoebus | 149 | BAL |
| +023+ | 3.23 | Juan Marichal | 202.7 | SFN |
| +025+ | 3.13 | Dave McNally | 143.3 | BAL |
| +028+ | 2.92 | Jim Hardin | 143.3 | BAL |
| +031+ | 2.67 | Ferguson Jenkins | 178.7 | CHN |
| +032+ | 2.64 | Stan Bahnsen | 134.7 | NYA |
| +037+ | 2.61 | Jim Nash | 125.7 | OAK |
| +038+ | 2.58 | Mel Stottlemyre | 170 | NYA |
| +040+ | 2.56 | Tommy John | 120.3 | CHA |
| +042+ | 2.49 | Sonny Siebert | 155.3 | CLE |
| +044+ | 2.42 | Woodie Fryman | 145.3 | PHI |
| +047+ | 2.37 | Pat Jarvis | 158 | ATL |
| +048+ | 2.28 | Jose Santiago | 124 | BOS |
| +051+ | 2.24 | Larry Jaster | 101.7 | SLN |
| +052+ | 2.24 | Dick Selma | 113 | NYN |
| +053+ | 2.14 | Stan Williams | 98.3 | CLE |
| +055+ | 2.11 | Steve Barber | 72.7 | NYA |
_