| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 6.07 | 196808210_SFN_NYN |
| Don Drysdale | LAN | 5.94 | 196808200_LAN_HOU |
| Denny McLain | DET | 5.2 | 196808202_CHA_DET |
| Sam McDowell | CLE | 4.04 | 196808200_BOS_CLE |
| Dave McNally | BAL | 3.62 | 196808210_BAL_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -4.38 | 196808201_TEX_OAK |
| Tony Cloninger | CIN | -2.28 | 196808220_PIT_CIN |
| Jim Hunter | OAK | -1.95 | 196808220_ANA_OAK |
| Ray Culp | BOS | -1.88 | 196808220_BOS_CLE |
| Milt Pappas | ATL | -1.76 | 196808211_ATL_CHN |
Based on accumulated WAA for this season up to 1968-08-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.59 | Bob Gibson | 234.7 | SLN |
| +003+ | 6.95 | Luis Tiant | 222.7 | CLE |
| +005+ | 6.33 | Denny McLain | 261 | DET |
| +007+ | 6.22 | Sam McDowell | 206 | CLE |
| +010+ | 5.72 | Jerry Koosman | 209 | NYN |
| +011+ | 5.6 | Juan Marichal | 273.7 | SFN |
| +013+ | 5.28 | Don Drysdale | 233 | LAN |
| +014+ | 4.99 | Tom Seaver | 216.7 | NYN |
| +015+ | 4.84 | Dave McNally | 206 | BAL |
| +023+ | 4.13 | Stan Bahnsen | 188.3 | NYA |
| +024+ | 4.06 | Bob Veale | 194.3 | PIT |
| +025+ | 4.04 | Tommy John | 177.3 | CHA |
| +027+ | 3.96 | Bobby Bolin | 117.3 | SFN |
| +036+ | 3.46 | Dean Chance | 224 | MIN |
| +037+ | 3.42 | Jim Hardin | 194.7 | BAL |
| +039+ | 3.12 | Woodie Fryman | 190.3 | PHI |
| +045+ | 2.87 | Gaylord Perry | 222.3 | SFN |
| +050+ | 2.7 | Jim Nash | 175.3 | OAK |
| +055+ | 2.53 | Tom Phoebus | 188 | BAL |
| +058+ | 2.47 | Mel Stottlemyre | 218.7 | NYA |
| +066+ | 2.2 | Vicente Romo | 62.3 | TOT |
| +070+ | 2 | Bob Moose | 127.3 | PIT |
| +071+ | 1.99 | Pat Jarvis | 196.3 | ATL |
| +073+ | 1.94 | Tom Murphy | 99.3 | ANA |
| +074+ | 1.87 | Stan Williams | 149 | CLE |
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