| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 7.67 | 196807140_CLE_MIN |
| Don Drysdale | LAN | 5.46 | 196807160_LAN_CIN |
| Tommy John | CHA | 4.24 | 196807160_BAL_CHA |
| Chris Short | PHI | 2.28 | 196807160_CHN_PHI |
| Bob Veale | PIT | 1.47 | 196807160_NYN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -7.04 | 196807141_HOU_CIN |
| Joe Niekro | CHN | -4.82 | 196807140_CHN_PIT |
| Sammy Ellis | ANA | -2.79 | 196807140_DET_ANA |
| Frank Bertaina | TEX | -2.31 | 196807150_TEX_CHA |
| Don Wilson | HOU | -1.66 | 196807142_HOU_CIN |
Based on accumulated WAA for this season up to 1968-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.25 | Bob Gibson | 169.7 | SLN |
| +003+ | 5.85 | Luis Tiant | 158.7 | CLE |
| +005+ | 5.2 | Don Drysdale | 170.3 | LAN |
| +006+ | 4.97 | Sam McDowell | 161 | CLE |
| +007+ | 4.58 | Denny McLain | 190 | DET |
| +014+ | 3.69 | Tom Seaver | 159.7 | NYN |
| +016+ | 3.63 | Jerry Koosman | 143.3 | NYN |
| +022+ | 2.93 | Woodie Fryman | 141 | PHI |
| +024+ | 2.89 | Dave McNally | 137 | BAL |
| +028+ | 2.73 | Bob Veale | 143 | PIT |
| +029+ | 2.7 | Jim Hardin | 134.3 | BAL |
| +030+ | 2.67 | Mel Stottlemyre | 156 | NYA |
| +032+ | 2.65 | Tom Phoebus | 136.7 | BAL |
| +033+ | 2.63 | Juan Marichal | 193.7 | SFN |
| +036+ | 2.58 | Chris Short | 163 | PHI |
| +037+ | 2.5 | Tommy John | 116.3 | CHA |
| +038+ | 2.48 | Sonny Siebert | 155.3 | CLE |
| +039+ | 2.46 | Larry Jaster | 95.7 | SLN |
| +041+ | 2.44 | Ferguson Jenkins | 169.7 | CHN |
| +046+ | 2.28 | Stan Bahnsen | 126.3 | NYA |
| +048+ | 2.27 | Jim Nash | 117.7 | OAK |
| +050+ | 2.15 | Jose Santiago | 122 | BOS |
| +051+ | 2.13 | Stan Williams | 98.3 | CLE |
| +054+ | 1.95 | Pat Jarvis | 149 | ATL |
| +056+ | 1.94 | Dick Selma | 106 | NYN |
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