| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 11.97 | 196807120_HOU_SLN |
| Luis Tiant | CLE | 7.67 | 196807140_CLE_MIN |
| Don Drysdale | LAN | 6.62 | 196807120_LAN_ATL |
| Tommy John | CHA | 4.49 | 196807120_NYA_CHA |
| Juan Marichal | SFN | 2.59 | 196807130_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -7.04 | 196807141_HOU_CIN |
| Joe Sparma | DET | -4.85 | 196807130_DET_MIN |
| Joe Niekro | CHN | -4.82 | 196807140_CHN_PIT |
| Ray Culp | BOS | -3.53 | 196807130_BOS_ANA |
| Sammy Ellis | ANA | -2.79 | 196807140_DET_ANA |
Based on accumulated WAA for this season up to 1968-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.24 | Bob Gibson | 169.7 | SLN |
| +003+ | 5.87 | Luis Tiant | 158.7 | CLE |
| +005+ | 5.17 | Don Drysdale | 164 | LAN |
| +006+ | 4.7 | Sam McDowell | 154 | CLE |
| +011+ | 3.94 | Denny McLain | 181 | DET |
| +015+ | 3.67 | Tom Seaver | 159.7 | NYN |
| +017+ | 3.62 | Jerry Koosman | 143.3 | NYN |
| +023+ | 2.98 | Woodie Fryman | 141 | PHI |
| +024+ | 2.97 | Tommy John | 111 | CHA |
| +027+ | 2.82 | Dave McNally | 130 | BAL |
| +028+ | 2.82 | Bob Veale | 138 | PIT |
| +030+ | 2.66 | Tom Phoebus | 136.7 | BAL |
| +031+ | 2.65 | Mel Stottlemyre | 156 | NYA |
| +034+ | 2.6 | Juan Marichal | 193.7 | SFN |
| +035+ | 2.56 | Chris Short | 156 | PHI |
| +036+ | 2.51 | Jim Nash | 112 | OAK |
| +038+ | 2.46 | Larry Jaster | 95.7 | SLN |
| +041+ | 2.28 | Jim Hardin | 125.3 | BAL |
| +042+ | 2.27 | Stan Bahnsen | 126.3 | NYA |
| +044+ | 2.17 | Sonny Siebert | 147.7 | CLE |
| +047+ | 2.13 | Jose Santiago | 122 | BOS |
| +049+ | 2.04 | Dick Selma | 98.3 | NYN |
| +052+ | 2.01 | Ferguson Jenkins | 159.7 | CHN |
| +053+ | 1.95 | Pat Jarvis | 149 | ATL |
| +054+ | 1.88 | Pat Dobson | 55.3 | DET |
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