| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 15.7 | 196808040_CHN_SLN |
| Juan Marichal | SFN | 5.83 | 196808050_PHI_SFN |
| Sam McDowell | CLE | 4.27 | 196808030_OAK_CLE |
| Dave McNally | BAL | 3.09 | 196808050_BAL_NYA |
| Tommy John | CHA | 3 | 196808050_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -4.88 | 196808040_CIN_ATL |
| Milt Pappas | ATL | -3.63 | 196808050_CHN_ATL |
| Phil Ortega | TEX | -3.29 | 196808032_TEX_CHA |
| Ray Culp | BOS | -2.76 | 196808032_ANA_BOS |
| Rick Wise | PHI | -2.58 | 196808040_PHI_HOU |
Based on accumulated WAA for this season up to 1968-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.83 | Bob Gibson | 207.7 | SLN |
| +003+ | 6.52 | Luis Tiant | 191.7 | CLE |
| +004+ | 5.89 | Sam McDowell | 188.7 | CLE |
| +007+ | 5.48 | Denny McLain | 228.3 | DET |
| +008+ | 4.91 | Juan Marichal | 241.7 | SFN |
| +009+ | 4.83 | Don Drysdale | 203.3 | LAN |
| +013+ | 4.55 | Dave McNally | 178.3 | BAL |
| +016+ | 4.21 | Tom Seaver | 186.7 | NYN |
| +018+ | 4.1 | Jerry Koosman | 179 | NYN |
| +023+ | 3.67 | Bob Veale | 172 | PIT |
| +025+ | 3.61 | Stan Bahnsen | 166 | NYA |
| +026+ | 3.49 | Tom Phoebus | 166.3 | BAL |
| +028+ | 3.45 | Jim Nash | 150 | OAK |
| +030+ | 3.32 | Ferguson Jenkins | 206.7 | CHN |
| +033+ | 3.15 | Tommy John | 150.3 | CHA |
| +034+ | 3 | Jim Hardin | 165.3 | BAL |
| +036+ | 2.98 | Mel Stottlemyre | 193 | NYA |
| +037+ | 2.96 | Woodie Fryman | 173 | PHI |
| +038+ | 2.87 | Dean Chance | 195 | MIN |
| +049+ | 2.57 | Mike Cuellar | 109.7 | HOU |
| +052+ | 2.51 | Bobby Bolin | 93 | SFN |
| +055+ | 2.33 | Wilbur Wood | 104.7 | CHA |
| +056+ | 2.28 | Jose Santiago | 124 | BOS |
| +064+ | 2.04 | George Brunet | 170 | ANA |
| +067+ | 1.9 | Pat Jarvis | 175 | ATL |
_