| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 9.33 | 196808010_BAL_CLE |
| Juan Marichal | SFN | 4.88 | 196808010_SFN_LAN |
| Don Drysdale | LAN | 4.32 | 196808010_SFN_LAN |
| Tommy John | CHA | 3.83 | 196808020_TEX_CHA |
| Tom Seaver | NYN | 2.62 | 196808020_NYN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Sparma | DET | -4.58 | 196808020_DET_MIN |
| Milt Pappas | ATL | -3.84 | 196807310_ATL_NYN |
| Joe Niekro | CHN | -3.79 | 196808010_HOU_CHN |
| Frank Bertaina | TEX | -3.56 | 196807310_TEX_DET |
| Jeff James | PHI | -1.55 | 196808020_PHI_HOU |
Based on accumulated WAA for this season up to 1968-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.98 | Bob Gibson | 196.7 | SLN |
| +003+ | 6.52 | Luis Tiant | 191.7 | CLE |
| +005+ | 5.67 | Sam McDowell | 182.3 | CLE |
| +007+ | 4.85 | Denny McLain | 219.3 | DET |
| +008+ | 4.85 | Don Drysdale | 203.3 | LAN |
| +010+ | 4.73 | Juan Marichal | 232.7 | SFN |
| +012+ | 4.63 | Dave McNally | 170.3 | BAL |
| +015+ | 4.45 | Jerry Koosman | 172.3 | NYN |
| +018+ | 4.17 | Tom Seaver | 186.7 | NYN |
| +024+ | 3.6 | Bob Veale | 168 | PIT |
| +025+ | 3.56 | Stan Bahnsen | 159 | NYA |
| +026+ | 3.52 | Ferguson Jenkins | 202.7 | CHN |
| +027+ | 3.44 | Jim Nash | 150 | OAK |
| +031+ | 3.22 | Tom Phoebus | 159.3 | BAL |
| +033+ | 3.01 | Jim Hardin | 159.3 | BAL |
| +035+ | 2.96 | Tommy John | 141.3 | CHA |
| +036+ | 2.94 | Woodie Fryman | 169.3 | PHI |
| +039+ | 2.79 | George Brunet | 163 | ANA |
| +050+ | 2.58 | Mel Stottlemyre | 184 | NYA |
| +053+ | 2.44 | Mike Cuellar | 101.7 | HOU |
| +055+ | 2.36 | Pat Jarvis | 172 | ATL |
| +056+ | 2.3 | Jose Santiago | 124 | BOS |
| +057+ | 2.24 | Dean Chance | 186 | MIN |
| +058+ | 2.19 | Dick Selma | 124 | NYN |
| +061+ | 2.11 | Wilbur Wood | 101.3 | CHA |
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