| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 7.42 | 196807200_CLE_NYA |
| Don Drysdale | LAN | 5.57 | 196807200_CHN_LAN |
| Juan Marichal | SFN | 3.4 | 196807180_SFN_SLN |
| Tommy John | CHA | 3.21 | 196807200_ANA_CHA |
| Tom Seaver | NYN | 2.82 | 196807180_NYN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -2.57 | 196807200_TEX_BOS |
| Sammy Ellis | ANA | -2.29 | 196807200_ANA_CHA |
| Dick Ellsworth | BOS | -1.46 | 196807200_TEX_BOS |
| Ken Holtzman | CHN | -1.4 | 196807200_CHN_LAN |
| Don Wilson | HOU | -1.22 | 196807190_HOU_SFN |
Based on accumulated WAA for this season up to 1968-07-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.23 | Bob Gibson | 169.7 | SLN |
| +003+ | 6.45 | Luis Tiant | 167.7 | CLE |
| +004+ | 5.39 | Don Drysdale | 179.3 | LAN |
| +006+ | 4.94 | Sam McDowell | 161 | CLE |
| +012+ | 4.32 | Tom Seaver | 168.7 | NYN |
| +014+ | 3.81 | Denny McLain | 194.3 | DET |
| +020+ | 3.33 | Bob Veale | 152 | PIT |
| +021+ | 3.23 | Juan Marichal | 202.7 | SFN |
| +023+ | 3.15 | Jerry Koosman | 145.3 | NYN |
| +024+ | 3.12 | Dave McNally | 143.3 | BAL |
| +026+ | 2.94 | Tom Phoebus | 143.7 | BAL |
| +030+ | 2.71 | Mel Stottlemyre | 163 | NYA |
| +031+ | 2.7 | Jim Hardin | 134.3 | BAL |
| +032+ | 2.65 | Ferguson Jenkins | 178.7 | CHN |
| +036+ | 2.63 | Stan Bahnsen | 134.7 | NYA |
| +037+ | 2.58 | Jim Nash | 125.7 | OAK |
| +038+ | 2.58 | Chris Short | 163 | PHI |
| +039+ | 2.55 | Tommy John | 120.3 | CHA |
| +043+ | 2.46 | Sonny Siebert | 155.3 | CLE |
| +046+ | 2.39 | Woodie Fryman | 145.3 | PHI |
| +047+ | 2.35 | Pat Jarvis | 158 | ATL |
| +050+ | 2.28 | Jose Santiago | 124 | BOS |
| +051+ | 2.23 | Larry Jaster | 101.7 | SLN |
| +052+ | 2.22 | Dick Selma | 113 | NYN |
| +053+ | 2.12 | Stan Williams | 98.3 | CLE |
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