| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 17.96 | 196808240_PIT_SLN |
| Luis Tiant | CLE | 7.02 | 196808240_CLE_TEX |
| Denny McLain | DET | 4.76 | 196808240_DET_NYA |
| Don Drysdale | LAN | 4.72 | 196808240_SFN_LAN |
| Jerry Koosman | NYN | 4.1 | 196808240_NYN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Niekro | CHN | -3.24 | 196808230_CHN_HOU |
| Joe Sparma | DET | -3.04 | 196808232_DET_NYA |
| Sammy Ellis | ANA | -2.92 | 196808240_ANA_OAK |
| Tony Cloninger | CIN | -2.28 | 196808220_PIT_CIN |
| Rick Wise | PHI | -2.21 | 196808230_PHI_ATL |
Based on accumulated WAA for this season up to 1968-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.59 | Bob Gibson | 243.7 | SLN |
| +003+ | 7.25 | Luis Tiant | 227.7 | CLE |
| +006+ | 6.18 | Sam McDowell | 206 | CLE |
| +007+ | 6.17 | Denny McLain | 268 | DET |
| +010+ | 5.65 | Juan Marichal | 273.7 | SFN |
| +011+ | 5.22 | Jerry Koosman | 213 | NYN |
| +013+ | 5.05 | Tom Seaver | 216.7 | NYN |
| +014+ | 4.88 | Dave McNally | 206 | BAL |
| +018+ | 4.69 | Don Drysdale | 239 | LAN |
| +023+ | 4.35 | Stan Bahnsen | 197.3 | NYA |
| +025+ | 4.08 | Tommy John | 177.3 | CHA |
| +026+ | 4.07 | Bob Veale | 200.3 | PIT |
| +035+ | 3.45 | Jim Hardin | 203.7 | BAL |
| +036+ | 3.4 | Bobby Bolin | 118 | SFN |
| +039+ | 3.21 | Dean Chance | 231.3 | MIN |
| +040+ | 3.17 | Woodie Fryman | 190.3 | PHI |
| +044+ | 2.91 | Gaylord Perry | 222.3 | SFN |
| +049+ | 2.74 | Jim Nash | 175.3 | OAK |
| +052+ | 2.66 | Mel Stottlemyre | 227.7 | NYA |
| +053+ | 2.65 | Pat Jarvis | 205.3 | ATL |
| +054+ | 2.56 | Tom Phoebus | 188 | BAL |
| +073+ | 2 | Mike Cuellar | 137 | HOU |
| +077+ | 1.97 | Tom Murphy | 99.3 | ANA |
| +078+ | 1.92 | Ray Washburn | 163 | SLN |
| +079+ | 1.91 | Stan Williams | 150 | CLE |
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