| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 12.66 | 196807211_NYN_SLN |
| Juan Marichal | SFN | 3.78 | 196807230_CHN_SFN |
| Tom Seaver | NYN | 3.44 | 196807230_NYN_ATL |
| Sam McDowell | CLE | 3.17 | 196807211_CLE_NYA |
| Chris Short | PHI | 2.14 | 196807210_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -6.22 | 196807210_PHI_CIN |
| Joe Niekro | CHN | -3.63 | 196807220_CHN_SFN |
| Milt Pappas | ATL | -3.43 | 196807210_PIT_ATL |
| Ray Culp | BOS | -3.39 | 196807211_TEX_BOS |
| Clyde Wright | ANA | -1.75 | 196807212_ANA_CHA |
Based on accumulated WAA for this season up to 1968-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.92 | Bob Gibson | 178.7 | SLN |
| +003+ | 6.54 | Luis Tiant | 167.7 | CLE |
| +005+ | 5.46 | Don Drysdale | 179.3 | LAN |
| +006+ | 5.19 | Sam McDowell | 166.3 | CLE |
| +009+ | 4.67 | Tom Seaver | 175.7 | NYN |
| +014+ | 3.84 | Jerry Koosman | 154.3 | NYN |
| +015+ | 3.76 | Juan Marichal | 212.7 | SFN |
| +019+ | 3.53 | Denny McLain | 201.3 | DET |
| +021+ | 3.37 | Tom Phoebus | 149 | BAL |
| +023+ | 3.36 | Bob Veale | 152 | PIT |
| +024+ | 3.31 | Stan Bahnsen | 143.7 | NYA |
| +026+ | 3.18 | Dave McNally | 143.3 | BAL |
| +030+ | 2.97 | Jim Hardin | 143.3 | BAL |
| +034+ | 2.65 | Jim Nash | 125.7 | OAK |
| +037+ | 2.63 | Mel Stottlemyre | 170 | NYA |
| +039+ | 2.62 | Pat Jarvis | 167 | ATL |
| +040+ | 2.59 | Tommy John | 120.3 | CHA |
| +043+ | 2.5 | Ferguson Jenkins | 184.7 | CHN |
| +044+ | 2.41 | Woodie Fryman | 153.3 | PHI |
| +046+ | 2.35 | Sonny Siebert | 161.7 | CLE |
| +047+ | 2.33 | Jose Santiago | 124 | BOS |
| +050+ | 2.27 | Dick Selma | 113 | NYN |
| +053+ | 2.19 | George Brunet | 148.7 | ANA |
| +055+ | 2.13 | Steve Barber | 72.7 | NYA |
| +059+ | 1.88 | Pat Dobson | 61 | DET |
_