| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 10.88 | 196807060_SLN_SFN |
| Luis Tiant | CLE | 8.34 | 196807071_ANA_CLE |
| Don Drysdale | LAN | 5.23 | 196807050_CIN_LAN |
| Tommy John | CHA | 5.05 | 196807070_CHA_TEX |
| Mike Cuellar | HOU | 3.22 | 196807050_HOU_ATL |
| 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 |
| Mike McCormick | SFN | -1.45 | 196807050_SLN_SFN |
| Ken Holtzman | CHN | -1.38 | 196807071_PIT_CHN |
Based on accumulated WAA for this season up to 1968-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.79 | Bob Gibson | 160.7 | SLN |
| +002+ | 6.01 | Luis Tiant | 152.7 | CLE |
| +004+ | 5.67 | Don Drysdale | 157.7 | LAN |
| +006+ | 4.67 | Sam McDowell | 145.3 | CLE |
| +014+ | 3.31 | Denny McLain | 172 | DET |
| +016+ | 3.17 | Tom Seaver | 149.7 | NYN |
| +018+ | 3.12 | Bob Veale | 132.7 | PIT |
| +022+ | 2.98 | Jerry Koosman | 134.3 | NYN |
| +023+ | 2.91 | Tommy John | 104.3 | CHA |
| +026+ | 2.81 | Woodie Fryman | 134.7 | PHI |
| +028+ | 2.57 | Mel Stottlemyre | 149.7 | NYA |
| +031+ | 2.48 | Jim Nash | 112 | OAK |
| +032+ | 2.45 | Sonny Siebert | 143.7 | CLE |
| +033+ | 2.44 | Stan Bahnsen | 120.3 | NYA |
| +037+ | 2.2 | Tom Phoebus | 127.7 | BAL |
| +039+ | 2.16 | Dave McNally | 121 | BAL |
| +040+ | 2.11 | Juan Marichal | 184.7 | SFN |
| +042+ | 2.09 | Jose Santiago | 122 | BOS |
| +043+ | 2.06 | Jim Hardin | 116.7 | BAL |
| +044+ | 2.06 | Larry Jaster | 87 | SLN |
| +051+ | 1.93 | Chris Short | 146 | PHI |
| +053+ | 1.88 | Wilbur Wood | 80 | CHA |
| +054+ | 1.87 | Jim Kaat | 91.3 | MIN |
| +058+ | 1.72 | Pat Dobson | 53 | DET |
| +059+ | 1.69 | Ferguson Jenkins | 152.7 | CHN |
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