| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 7.82 | 196808061_CLE_DET |
| Juan Marichal | SFN | 5.83 | 196808050_PHI_SFN |
| Don Drysdale | LAN | 4.15 | 196808060_PIT_LAN |
| Dave McNally | BAL | 3.09 | 196808050_BAL_NYA |
| Tommy John | CHA | 3 | 196808050_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Sparma | DET | -4.54 | 196808062_CLE_DET |
| Frank Bertaina | TEX | -4.23 | 196808061_ANA_TEX |
| Milt Pappas | ATL | -3.63 | 196808050_CHN_ATL |
| Joe Niekro | CHN | -3.29 | 196808060_CHN_ATL |
| Sammy Ellis | ANA | -3.27 | 196808070_ANA_TEX |
Based on accumulated WAA for this season up to 1968-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.81 | Bob Gibson | 207.7 | SLN |
| +003+ | 6.83 | Luis Tiant | 200.7 | CLE |
| +006+ | 5.42 | Don Drysdale | 212.3 | LAN |
| +007+ | 5.38 | Sam McDowell | 188.7 | CLE |
| +008+ | 5.32 | Denny McLain | 228.3 | DET |
| +009+ | 4.87 | Juan Marichal | 241.7 | SFN |
| +012+ | 4.51 | Dave McNally | 178.3 | BAL |
| +017+ | 4.09 | Jerry Koosman | 179 | NYN |
| +020+ | 3.98 | Tom Seaver | 192.7 | NYN |
| +024+ | 3.71 | Jim Nash | 157 | OAK |
| +025+ | 3.66 | Bob Veale | 172 | PIT |
| +027+ | 3.6 | Jim Hardin | 174.3 | BAL |
| +028+ | 3.57 | Stan Bahnsen | 166 | NYA |
| +029+ | 3.56 | Mel Stottlemyre | 202 | NYA |
| +031+ | 3.46 | Tom Phoebus | 166.3 | BAL |
| +032+ | 3.3 | Ferguson Jenkins | 206.7 | CHN |
| +035+ | 3.12 | Tommy John | 150.3 | CHA |
| +037+ | 2.96 | Woodie Fryman | 173 | PHI |
| +039+ | 2.93 | Dean Chance | 199 | MIN |
| +050+ | 2.56 | Mike Cuellar | 109.7 | HOU |
| +054+ | 2.49 | Bobby Bolin | 93 | SFN |
| +057+ | 2.32 | Wilbur Wood | 104.7 | CHA |
| +059+ | 2.25 | Jose Santiago | 124 | BOS |
| +063+ | 2.02 | George Brunet | 170 | ANA |
| +071+ | 1.83 | Gaylord Perry | 189 | SFN |
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