| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 11.97 | 196807120_HOU_SLN |
| Don Drysdale | LAN | 6.62 | 196807120_LAN_ATL |
| Tommy John | CHA | 4.49 | 196807120_NYA_CHA |
| Juan Marichal | SFN | 2.59 | 196807130_SFN_CIN |
| Sonny Siebert | CLE | 2.56 | 196807110_CLE_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Sparma | DET | -4.85 | 196807130_DET_MIN |
| Ray Culp | BOS | -3.53 | 196807130_BOS_ANA |
| Wade Blasingame | HOU | -1.69 | 196807130_HOU_SLN |
| Ken Holtzman | CHN | -1.64 | 196807120_CHN_NYN |
| Jim Hunter | OAK | -1.21 | 196807120_CLE_OAK |
Based on accumulated WAA for this season up to 1968-07-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.19 | Bob Gibson | 169.7 | SLN |
| +002+ | 6.04 | Luis Tiant | 152.7 | CLE |
| +005+ | 5.11 | Don Drysdale | 164 | LAN |
| +006+ | 4.66 | Sam McDowell | 154 | CLE |
| +011+ | 3.87 | Denny McLain | 181 | DET |
| +013+ | 3.62 | Tom Seaver | 159.7 | NYN |
| +015+ | 3.57 | Jerry Koosman | 143.3 | NYN |
| +022+ | 2.95 | Tommy John | 111 | CHA |
| +023+ | 2.94 | Woodie Fryman | 141 | PHI |
| +028+ | 2.78 | Bob Veale | 138 | PIT |
| +027+ | 2.78 | Dave McNally | 130 | BAL |
| +032+ | 2.62 | Tom Phoebus | 136.7 | BAL |
| +033+ | 2.6 | Mel Stottlemyre | 156 | NYA |
| +034+ | 2.53 | Juan Marichal | 193.7 | SFN |
| +035+ | 2.52 | Chris Short | 156 | PHI |
| +037+ | 2.48 | Jim Nash | 112 | OAK |
| +039+ | 2.44 | Stan Bahnsen | 120.3 | NYA |
| +041+ | 2.25 | Jim Hardin | 125.3 | BAL |
| +043+ | 2.13 | Sonny Siebert | 147.7 | CLE |
| +046+ | 2.1 | Jose Santiago | 122 | BOS |
| +047+ | 2.09 | Wilbur Wood | 83 | CHA |
| +048+ | 2.06 | Larry Jaster | 87 | SLN |
| +050+ | 2.01 | Dick Selma | 98.3 | NYN |
| +052+ | 1.97 | Ferguson Jenkins | 159.7 | CHN |
| +054+ | 1.91 | Pat Jarvis | 149 | ATL |
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