| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 7.34 | 196809040_CLE_ANA |
| Tom Seaver | NYN | 4.14 | 196809031_ATL_NYN |
| Stan Bahnsen | NYA | 4.08 | 196809040_NYA_BAL |
| Dave McNally | BAL | 4.04 | 196809040_NYA_BAL |
| Gaylord Perry | SFN | 2.03 | 196809030_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -5.49 | 196809040_CHA_TEX |
| Joe Niekro | CHN | -2.72 | 196809041_SFN_CHN |
| Jim Maloney | CIN | -1.95 | 196809040_SLN_CIN |
| Jim Hunter | OAK | -1.31 | 196809030_DET_OAK |
| Milt Pappas | ATL | -0.68 | 196809031_ATL_NYN |
Based on accumulated WAA for this season up to 1968-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.91 | Bob Gibson | 262.7 | SLN |
| +005+ | 7.01 | Luis Tiant | 238.3 | CLE |
| +006+ | 6.71 | Denny McLain | 286.3 | DET |
| +008+ | 5.9 | Sam McDowell | 228.3 | CLE |
| +011+ | 5.43 | Tom Seaver | 241.7 | NYN |
| +012+ | 5.41 | Dave McNally | 233 | BAL |
| +015+ | 5.17 | Jerry Koosman | 225.7 | NYN |
| +020+ | 4.77 | Don Drysdale | 239 | LAN |
| +021+ | 4.63 | Juan Marichal | 293 | SFN |
| +025+ | 4.51 | Stan Bahnsen | 216.7 | NYA |
| +029+ | 4.09 | Tommy John | 177.3 | CHA |
| +032+ | 3.74 | Bob Veale | 213.7 | PIT |
| +036+ | 3.39 | Bobby Bolin | 133.3 | SFN |
| +040+ | 3.2 | Dean Chance | 254.7 | MIN |
| +044+ | 2.85 | Gaylord Perry | 246.3 | SFN |
| +049+ | 2.74 | Mel Stottlemyre | 239.7 | NYA |
| +050+ | 2.72 | Ray Washburn | 180.7 | SLN |
| +051+ | 2.7 | Steve Blass | 171 | PIT |
| +052+ | 2.66 | Jim Nash | 191.3 | OAK |
| +055+ | 2.6 | Pat Jarvis | 221 | ATL |
| +057+ | 2.49 | Jim Hardin | 212.3 | BAL |
| +062+ | 2.33 | Woodie Fryman | 201.7 | PHI |
| +072+ | 2.1 | Joe Horlen | 191 | CHA |
| +074+ | 2.1 | Gary Nolan | 104.7 | CIN |
| +079+ | 1.99 | Cal Koonce | 87.3 | NYN |
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