| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 8.86 | 196806261_PIT_SLN |
| Don Drysdale | LAN | 5.61 | 196806260_LAN_SFN |
| Mike Cuellar | HOU | 3.17 | 196806250_CHN_HOU |
| Juan Marichal | SFN | 2.72 | 196806270_LAN_SFN |
| Chris Short | PHI | 2.11 | 196806270_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Culp | BOS | -3.01 | 196806250_BOS_BAL |
| Joe Niekro | CHN | -2.99 | 196806250_CHN_HOU |
| Sammy Ellis | ANA | -1.59 | 196806250_OAK_ANA |
| Wally Bunker | BAL | -0.77 | 196806250_BOS_BAL |
| Mike McCormick | SFN | -0.74 | 196806260_LAN_SFN |
Based on accumulated WAA for this season up to 1968-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.66 | Bob Gibson | 142.7 | SLN |
| +003+ | 5.53 | Don Drysdale | 141.3 | LAN |
| +005+ | 5.03 | Luis Tiant | 127.3 | CLE |
| +009+ | 3.49 | Jim Nash | 101.3 | OAK |
| +010+ | 3.46 | Sam McDowell | 129 | CLE |
| +011+ | 3.41 | Woodie Fryman | 123.7 | PHI |
| +018+ | 2.86 | Jerry Koosman | 119.3 | NYN |
| +020+ | 2.81 | Denny McLain | 145 | DET |
| +023+ | 2.49 | Tommy John | 90.3 | CHA |
| +025+ | 2.48 | Tom Seaver | 132.7 | NYN |
| +027+ | 2.36 | Bob Veale | 114.7 | PIT |
| +028+ | 2.32 | Johnny Odom | 93.3 | OAK |
| +029+ | 2.32 | Jose Santiago | 119.7 | BOS |
| +030+ | 2.27 | Stan Williams | 83.3 | CLE |
| +031+ | 2.22 | Dave McNally | 110.7 | BAL |
| +032+ | 2.18 | Ray Sadecki | 129 | SFN |
| +037+ | 2.04 | Mike Cuellar | 73.3 | HOU |
| +039+ | 2 | Stan Bahnsen | 103.3 | NYA |
| +042+ | 1.9 | Dave Giusti | 127 | HOU |
| +044+ | 1.9 | Ferguson Jenkins | 129.7 | CHN |
| +047+ | 1.85 | Mel Stottlemyre | 122.7 | NYA |
| +054+ | 1.75 | Dean Chance | 127.7 | MIN |
| +055+ | 1.75 | Larry Jaster | 74 | SLN |
| +058+ | 1.65 | Wilbur Wood | 65.3 | CHA |
| +059+ | 1.63 | Pat Dobson | 49.3 | DET |
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