| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Tiant | CLE | 7.12 | 196807030_MIN_CLE |
| Don Drysdale | LAN | 5.23 | 196807050_CIN_LAN |
| Mike Cuellar | HOU | 3.22 | 196807050_HOU_ATL |
| Tom Seaver | NYN | 2.75 | 196807050_NYN_PHI |
| Jim Nash | OAK | 2.31 | 196807030_OAK_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -6.16 | 196807030_CIN_HOU |
| Joe Niekro | CHN | -4.88 | 196807041_PHI_CHN |
| Joe Sparma | DET | -4.78 | 196807040_ANA_DET |
| Ray Culp | BOS | -3.85 | 196807030_OAK_BOS |
| Milt Pappas | ATL | -3.81 | 196807030_ATL_SFN |
Based on accumulated WAA for this season up to 1968-07-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.15 | Luis Tiant | 146.3 | CLE |
| +003+ | 6.13 | Bob Gibson | 151.7 | SLN |
| +004+ | 5.62 | Don Drysdale | 157.7 | LAN |
| +009+ | 4 | Sam McDowell | 136.3 | CLE |
| +013+ | 3.48 | Denny McLain | 163 | DET |
| +017+ | 3.26 | Woodie Fryman | 132.7 | PHI |
| +018+ | 3.23 | Bob Veale | 132.7 | PIT |
| +020+ | 3.17 | Tommy John | 99.3 | CHA |
| +021+ | 3.15 | Jim Nash | 110.3 | OAK |
| +023+ | 3.04 | Tom Seaver | 148.7 | NYN |
| +024+ | 2.92 | Jerry Koosman | 134.3 | NYN |
| +030+ | 2.4 | Sonny Siebert | 143.7 | CLE |
| +031+ | 2.33 | Stan Bahnsen | 116.3 | NYA |
| +036+ | 2.16 | Jim Hardin | 109.7 | BAL |
| +037+ | 2.12 | Mel Stottlemyre | 140.7 | NYA |
| +038+ | 2.11 | Dave McNally | 121 | BAL |
| +040+ | 2.07 | Dave Giusti | 135 | HOU |
| +041+ | 2.06 | Jose Santiago | 122 | BOS |
| +046+ | 1.93 | Stan Williams | 90.3 | CLE |
| +047+ | 1.85 | Juan Marichal | 175.7 | SFN |
| +050+ | 1.81 | Tom Phoebus | 119.7 | BAL |
| +052+ | 1.77 | Chris Short | 144.3 | PHI |
| +055+ | 1.75 | Jim Kaat | 84.3 | MIN |
| +056+ | 1.72 | Wilbur Wood | 78 | CHA |
| +057+ | 1.7 | Pat Dobson | 53 | DET |
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