| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 7.51 | 196809250_CLE_NYA |
| Denny McLain | DET | 6.31 | 196809230_DET_BAL |
| Stan Bahnsen | NYA | 4.18 | 196809250_CLE_NYA |
| Jerry Koosman | NYN | 3.88 | 196809240_NYN_ATL |
| Juan Marichal | SFN | 2.51 | 196809250_SFN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -4.55 | 196809240_BOS_TEX |
| Jim Maloney | CIN | -3.03 | 196809250_CIN_PIT |
| 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 1968-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.25 | Bob Gibson | 295.7 | SLN |
| +004+ | 8.11 | Luis Tiant | 258.3 | CLE |
| +007+ | 7.09 | Denny McLain | 329.3 | DET |
| +010+ | 6.54 | Sam McDowell | 260 | CLE |
| +012+ | 6.25 | Dave McNally | 264 | BAL |
| +016+ | 5.75 | Stan Bahnsen | 259.7 | NYA |
| +020+ | 5.12 | Tom Seaver | 271 | NYN |
| +024+ | 4.92 | Bob Veale | 239.3 | PIT |
| +026+ | 4.84 | Jerry Koosman | 254.7 | NYN |
| +029+ | 4.46 | Steve Blass | 214 | PIT |
| +030+ | 4.28 | Juan Marichal | 325.7 | SFN |
| +032+ | 4.07 | Jim Nash | 221.7 | OAK |
| +033+ | 4.03 | Tommy John | 177.3 | CHA |
| +037+ | 3.98 | Bobby Bolin | 169.7 | SFN |
| +038+ | 3.87 | Dean Chance | 287 | MIN |
| +043+ | 3.55 | Gaylord Perry | 281.7 | SFN |
| +045+ | 3.5 | Mel Stottlemyre | 272.7 | NYA |
| +050+ | 3.26 | Ray Washburn | 210.3 | SLN |
| +057+ | 2.85 | Stan Williams | 191 | CLE |
| +058+ | 2.79 | Joe Horlen | 217.3 | CHA |
| +060+ | 2.75 | Jim Hardin | 244 | BAL |
| +064+ | 2.58 | Ferguson Jenkins | 299 | CHN |
| +066+ | 2.48 | Gary Nolan | 144 | CIN |
| +067+ | 2.44 | Johnny Odom | 222.3 | OAK |
| +073+ | 2.31 | Pat Jarvis | 247.7 | ATL |
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