| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 10.31 | 196807010_SLN_LAN |
| Don Drysdale | LAN | 6.8 | 196807010_SLN_LAN |
| Luis Tiant | CLE | 6.77 | 196806291_CLE_BOS |
| Tommy John | CHA | 4.54 | 196806300_CHA_DET |
| Mike Cuellar | HOU | 3.22 | 196806300_NYN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Culp | BOS | -3.7 | 196806292_CLE_BOS |
| Joe Niekro | CHN | -3.36 | 196806290_SLN_CHN |
| Joe Sparma | DET | -3.23 | 196806300_CHA_DET |
| Sammy Ellis | ANA | -1.94 | 196806290_ANA_TEX |
| Don Wilson | HOU | -1.7 | 196806290_NYN_HOU |
Based on accumulated WAA for this season up to 1968-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.14 | Bob Gibson | 151.7 | SLN |
| +003+ | 5.46 | Luis Tiant | 136.3 | CLE |
| +005+ | 4.96 | Don Drysdale | 147.7 | LAN |
| +007+ | 3.99 | Sam McDowell | 136.3 | CLE |
| +015+ | 3.16 | Woodie Fryman | 128.7 | PHI |
| +014+ | 3.16 | Tom Seaver | 141.7 | NYN |
| +016+ | 3.15 | Tommy John | 99.3 | CHA |
| +017+ | 3.13 | Jim Nash | 104.3 | OAK |
| +020+ | 3.05 | Denny McLain | 154 | DET |
| +022+ | 2.97 | Jerry Koosman | 126.3 | NYN |
| +025+ | 2.59 | Bob Veale | 123.7 | PIT |
| +031+ | 2.33 | Johnny Odom | 98.7 | OAK |
| +030+ | 2.33 | Jose Santiago | 119.7 | BOS |
| +032+ | 2.32 | Mike Cuellar | 80.3 | HOU |
| +038+ | 2.11 | Stan Bahnsen | 110.3 | NYA |
| +039+ | 2.05 | Dave Giusti | 135 | HOU |
| +042+ | 2.01 | Sonny Siebert | 135 | CLE |
| +043+ | 1.98 | Stan Williams | 88 | CLE |
| +044+ | 1.95 | Dave McNally | 112.3 | BAL |
| +050+ | 1.79 | Larry Jaster | 74 | SLN |
| +051+ | 1.77 | Ray Sadecki | 137.7 | SFN |
| +054+ | 1.75 | Wilbur Wood | 72.3 | CHA |
| +059+ | 1.65 | Pat Dobson | 49.3 | DET |
| +061+ | 1.62 | Dean Chance | 133.7 | MIN |
| +063+ | 1.6 | Pat Jarvis | 130.7 | ATL |
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