| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 15.7 | 196808040_CHN_SLN |
| Sam McDowell | CLE | 4.27 | 196808030_OAK_CLE |
| Tommy John | CHA | 3.83 | 196808020_TEX_CHA |
| Tom Seaver | NYN | 2.62 | 196808020_NYN_LAN |
| Denny McLain | DET | 2.25 | 196808040_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -4.88 | 196808040_CIN_ATL |
| Joe Sparma | DET | -4.58 | 196808020_DET_MIN |
| 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 1968-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.84 | Bob Gibson | 207.7 | SLN |
| +003+ | 6.53 | Luis Tiant | 191.7 | CLE |
| +004+ | 5.9 | Sam McDowell | 188.7 | CLE |
| +007+ | 5.49 | Denny McLain | 228.3 | DET |
| +008+ | 4.85 | Don Drysdale | 203.3 | LAN |
| +009+ | 4.73 | Juan Marichal | 232.7 | SFN |
| +010+ | 4.64 | Dave McNally | 170.3 | BAL |
| +014+ | 4.48 | Jerry Koosman | 172.3 | NYN |
| +017+ | 4.2 | Tom Seaver | 186.7 | NYN |
| +023+ | 3.69 | Bob Veale | 172 | PIT |
| +024+ | 3.56 | Stan Bahnsen | 159 | NYA |
| +026+ | 3.51 | Tom Phoebus | 166.3 | BAL |
| +028+ | 3.46 | Jim Nash | 150 | OAK |
| +031+ | 3.32 | Ferguson Jenkins | 206.7 | CHN |
| +033+ | 3.02 | Jim Hardin | 165.3 | BAL |
| +034+ | 3 | Mel Stottlemyre | 193 | NYA |
| +036+ | 2.96 | Tommy John | 141.3 | CHA |
| +037+ | 2.93 | Woodie Fryman | 169.3 | PHI |
| +039+ | 2.87 | Dean Chance | 195 | MIN |
| +049+ | 2.58 | Mike Cuellar | 109.7 | HOU |
| +053+ | 2.52 | Bobby Bolin | 93 | SFN |
| +055+ | 2.34 | Wilbur Wood | 104.7 | CHA |
| +057+ | 2.29 | Jose Santiago | 124 | BOS |
| +063+ | 2.04 | George Brunet | 170 | ANA |
| +067+ | 1.9 | Pat Jarvis | 175 | ATL |
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