| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 18 | 196808280_SLN_PIT |
| Luis Tiant | CLE | 7.82 | 196808280_MIN_CLE |
| Denny McLain | DET | 5.21 | 196808280_ANA_DET |
| Jerry Koosman | NYN | 3.54 | 196808281_CIN_NYN |
| Dave McNally | BAL | 3.42 | 196808261_OAK_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Bertaina | TEX | -5.45 | 196808262_MIN_TEX |
| Rick Wise | PHI | -2.84 | 196808270_PHI_CIN |
| Tony Cloninger | CIN | -2.63 | 196808270_PHI_CIN |
| Rich Nye | CHN | -1.7 | 196808281_CHN_LAN |
| Milt Pappas | ATL | -1.53 | 196808260_PIT_ATL |
Based on accumulated WAA for this season up to 1968-08-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.2 | Bob Gibson | 252.7 | SLN |
| +003+ | 7.41 | Luis Tiant | 232.7 | CLE |
| +005+ | 6.62 | Denny McLain | 277 | DET |
| +009+ | 5.46 | Tom Seaver | 225.7 | NYN |
| +010+ | 5.41 | Juan Marichal | 282.3 | SFN |
| +011+ | 5.33 | Sam McDowell | 211.7 | CLE |
| +012+ | 5.26 | Jerry Koosman | 216.7 | NYN |
| +016+ | 4.96 | Dave McNally | 215 | BAL |
| +017+ | 4.85 | Stan Bahnsen | 204.3 | NYA |
| +019+ | 4.68 | Don Drysdale | 239 | LAN |
| +027+ | 4.07 | Tommy John | 177.3 | CHA |
| +033+ | 3.53 | Gaylord Perry | 231.3 | SFN |
| +036+ | 3.31 | Dean Chance | 239.3 | MIN |
| +037+ | 3.31 | Bob Veale | 204.7 | PIT |
| +040+ | 3.19 | Jim Hardin | 210.7 | BAL |
| +039+ | 3.19 | Bobby Bolin | 127 | SFN |
| +042+ | 3.04 | Pat Jarvis | 214.3 | ATL |
| +044+ | 2.97 | Woodie Fryman | 196.3 | PHI |
| +054+ | 2.53 | Mel Stottlemyre | 234.7 | NYA |
| +055+ | 2.51 | Tom Phoebus | 195 | BAL |
| +056+ | 2.47 | Jim Nash | 180.3 | OAK |
| +067+ | 2.14 | Ferguson Jenkins | 240 | CHN |
| +070+ | 2.09 | Steve Blass | 162.3 | PIT |
| +072+ | 1.99 | Nelson Briles | 204 | SLN |
| +077+ | 1.92 | Ray Washburn | 163 | SLN |
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