| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Horlen | CHA | 9.17 | 196805290_BAL_CHA |
| Bob Gibson | SLN | 6.5 | 196805280_SFN_SLN |
| Jim Bunning | PIT | 4.12 | 196805301_NYN_PIT |
| Sonny Siebert | CLE | 3.8 | 196805280_CLE_MIN |
| Mike Cuellar | HOU | 2.82 | 196805300_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Milt Pappas | CIN | -5.01 | 196805290_LAN_CIN |
| Dick Ellsworth | BOS | -4.6 | 196805300_BOS_OAK |
| Fred Talbot | NYA | -2.76 | 196805302_TEX_NYA |
| Joe Sparma | DET | -2.26 | 196805300_DET_ANA |
| Ken Holtzman | CHN | -1.19 | 196805291_CHN_PHI |
Based on accumulated WAA for this season up to 1968-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.81 | Luis Tiant | 76.3 | CLE |
| +005+ | 2.76 | Don Drysdale | 86 | LAN |
| +006+ | 2.7 | Bob Gibson | 88.7 | SLN |
| +007+ | 2.67 | Tommy John | 76.7 | CHA |
| +009+ | 2.36 | Stan Williams | 47.7 | CLE |
| +010+ | 2.36 | Sam McDowell | 88.3 | CLE |
| +011+ | 2.29 | Joe Horlen | 71 | CHA |
| +014+ | 2.22 | Pat Jarvis | 88.3 | ATL |
| +015+ | 2.19 | Jerry Koosman | 79.3 | NYN |
| +016+ | 2.09 | Dave Giusti | 82 | HOU |
| +020+ | 1.93 | Denny McLain | 89 | DET |
| +024+ | 1.74 | Woodie Fryman | 73.3 | PHI |
| +025+ | 1.74 | Bill Singer | 80 | LAN |
| +028+ | 1.71 | Tom Seaver | 85 | NYN |
| +034+ | 1.6 | Tom Phoebus | 77.3 | BAL |
| +037+ | 1.56 | Steve Carlton | 81 | SLN |
| +039+ | 1.46 | Jim Nash | 60 | OAK |
| +044+ | 1.36 | Bill Hands | 70.7 | CHN |
| +049+ | 1.31 | Mike Cuellar | 32.3 | HOU |
| XXXXX | 1.24 | Ray Sadecki | 82.7 | SFN |
| XXXXX | 1.19 | Bob Veale | 77.7 | PIT |
| XXXXX | 1.15 | Mel Stottlemyre | 82.7 | NYA |
| XXXXX | 1.14 | Camilo Pascual | 50.3 | TEX |
| XXXXX | 1.14 | Sonny Siebert | 82.7 | CLE |
| XXXXX | 1.14 | Nolan Ryan | 56.7 | NYN |
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