| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 20.32 | 196809220_SLN_LAN |
| Denny McLain | DET | 6.31 | 196809230_DET_BAL |
| Sam McDowell | CLE | 5.76 | 196809241_CLE_NYA |
| Dave McNally | BAL | 4.28 | 196809220_BAL_CHA |
| Jerry Koosman | NYN | 3.88 | 196809240_NYN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Wise | PHI | -5.84 | 196809220_NYN_PHI |
| Frank Bertaina | TEX | -4.55 | 196809240_BOS_TEX |
| Jim Bunning | PIT | -2.09 | 196809232_CIN_PIT |
| Gary Peters | CHA | -1.19 | 196809240_CHA_OAK |
| Jim Lonborg | BOS | -1.15 | 196809240_BOS_TEX |
Based on accumulated WAA for this season up to 1968-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.28 | Bob Gibson | 295.7 | SLN |
| +005+ | 7.51 | Luis Tiant | 249.3 | CLE |
| +007+ | 7.12 | Denny McLain | 329.3 | DET |
| +010+ | 6.57 | Sam McDowell | 260 | CLE |
| +012+ | 6.28 | Dave McNally | 264 | BAL |
| +016+ | 5.65 | Stan Bahnsen | 251.7 | NYA |
| +024+ | 4.95 | Bob Veale | 239.3 | PIT |
| +025+ | 4.87 | Jerry Koosman | 254.7 | NYN |
| +028+ | 4.53 | Tom Seaver | 262 | NYN |
| +029+ | 4.48 | Steve Blass | 214 | PIT |
| +030+ | 4.38 | Juan Marichal | 317.7 | SFN |
| +032+ | 4.09 | Jim Nash | 221.7 | OAK |
| +035+ | 4.04 | Tommy John | 177.3 | CHA |
| +037+ | 3.99 | Bobby Bolin | 169.7 | SFN |
| +038+ | 3.9 | Dean Chance | 287 | MIN |
| +044+ | 3.56 | Gaylord Perry | 281.7 | SFN |
| +045+ | 3.53 | Mel Stottlemyre | 272.7 | NYA |
| +050+ | 3.28 | Ray Washburn | 210.3 | SLN |
| +057+ | 2.86 | Stan Williams | 191 | CLE |
| +059+ | 2.81 | Joe Horlen | 217.3 | CHA |
| +060+ | 2.78 | Jim Hardin | 244 | BAL |
| +064+ | 2.61 | Ferguson Jenkins | 299 | CHN |
| +066+ | 2.49 | Gary Nolan | 144 | CIN |
| +068+ | 2.46 | Johnny Odom | 222.3 | OAK |
| +073+ | 2.34 | Pat Jarvis | 247.7 | ATL |
_