| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 14.48 | 196807300_SLN_NYN |
| Luis Tiant | CLE | 8.66 | 196807281_NYA_CLE |
| Don Drysdale | LAN | 6.27 | 196807281_LAN_CHN |
| Juan Marichal | SFN | 4.07 | 196807280_SFN_HOU |
| Tom Seaver | NYN | 3.46 | 196807280_CIN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -5.89 | 196807300_CIN_PHI |
| Joe Sparma | DET | -3.51 | 196807290_NYA_DET |
| Joe Niekro | CHN | -3.43 | 196807281_LAN_CHN |
| Ray Culp | BOS | -2.99 | 196807291_BAL_BOS |
| Sammy Ellis | ANA | -2.65 | 196807290_MIN_ANA |
Based on accumulated WAA for this season up to 1968-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.92 | Bob Gibson | 196.7 | SLN |
| +003+ | 7 | Luis Tiant | 183.7 | CLE |
| +004+ | 5.65 | Sam McDowell | 182.3 | CLE |
| +008+ | 4.69 | Don Drysdale | 195.3 | LAN |
| +011+ | 4.44 | Jerry Koosman | 163.3 | NYN |
| +013+ | 4.2 | Denny McLain | 210.3 | DET |
| +014+ | 4.19 | Dave McNally | 161.3 | BAL |
| +017+ | 4.06 | Juan Marichal | 223.7 | SFN |
| +019+ | 3.95 | Tom Seaver | 177.7 | NYN |
| +023+ | 3.56 | Bob Veale | 168 | PIT |
| +027+ | 3.31 | Tommy John | 137.7 | CHA |
| +029+ | 3.15 | Jim Nash | 143 | OAK |
| +030+ | 3.03 | Woodie Fryman | 162.3 | PHI |
| +032+ | 3 | Jim Hardin | 159.3 | BAL |
| +034+ | 2.92 | Stan Bahnsen | 150 | NYA |
| +035+ | 2.9 | Tom Phoebus | 152 | BAL |
| +038+ | 2.87 | Ferguson Jenkins | 193.7 | CHN |
| +042+ | 2.72 | George Brunet | 156.7 | ANA |
| +047+ | 2.56 | Mel Stottlemyre | 184 | NYA |
| +053+ | 2.41 | Mike Cuellar | 101.7 | HOU |
| +054+ | 2.34 | Pat Jarvis | 172 | ATL |
| +056+ | 2.29 | Jose Santiago | 124 | BOS |
| +057+ | 2.2 | Dean Chance | 185.7 | MIN |
| +058+ | 2.17 | Dick Selma | 124 | NYN |
| +061+ | 2.02 | Wilbur Wood | 100.3 | CHA |
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