| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 11.97 | 196807120_HOU_SLN |
| Luis Tiant | CLE | 8.34 | 196807071_ANA_CLE |
| Don Drysdale | LAN | 6.62 | 196807120_LAN_ATL |
| Tommy John | CHA | 5.05 | 196807070_CHA_TEX |
| Jim Kaat | MIN | 2.37 | 196807120_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Sparma | DET | -4.97 | 196807072_OAK_DET |
| Ray Culp | BOS | -3.55 | 196807071_MIN_BOS |
| Milt Pappas | ATL | -2.78 | 196807070_HOU_ATL |
| 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 1968-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.16 | Bob Gibson | 169.7 | SLN |
| +002+ | 6 | Luis Tiant | 152.7 | CLE |
| +004+ | 5.07 | Don Drysdale | 164 | LAN |
| +006+ | 4.63 | Sam McDowell | 154 | CLE |
| +011+ | 3.92 | Denny McLain | 181 | DET |
| +013+ | 3.58 | Jerry Koosman | 143.3 | NYN |
| +019+ | 3.16 | Tom Seaver | 149.7 | NYN |
| +022+ | 2.93 | Tommy John | 111 | CHA |
| +025+ | 2.84 | Bob Veale | 138 | PIT |
| +027+ | 2.78 | Woodie Fryman | 134.7 | PHI |
| +028+ | 2.77 | Dave McNally | 130 | BAL |
| +032+ | 2.56 | Mel Stottlemyre | 149.7 | NYA |
| +034+ | 2.47 | Jim Nash | 112 | OAK |
| +035+ | 2.42 | Stan Bahnsen | 120.3 | NYA |
| +036+ | 2.39 | Chris Short | 153 | PHI |
| +039+ | 2.23 | Jim Hardin | 125.3 | BAL |
| +040+ | 2.19 | Tom Phoebus | 127.7 | BAL |
| +043+ | 2.09 | Juan Marichal | 184.7 | SFN |
| +042+ | 2.09 | Sonny Siebert | 147.7 | CLE |
| +046+ | 2.08 | Wilbur Wood | 83 | CHA |
| +045+ | 2.08 | Jose Santiago | 122 | BOS |
| +047+ | 2.05 | Larry Jaster | 87 | SLN |
| +049+ | 2.01 | Dick Selma | 98.3 | NYN |
| +051+ | 1.98 | Ferguson Jenkins | 159.7 | CHN |
| +056+ | 1.83 | Pat Dobson | 54.7 | DET |
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