| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gibson | SLN | 8.86 | 196806261_PIT_SLN |
| Don Drysdale | LAN | 5.61 | 196806260_LAN_SFN |
| Joe Horlen | CHA | 3.12 | 196806280_CHA_DET |
| Juan Marichal | SFN | 2.72 | 196806270_LAN_SFN |
| Chris Short | PHI | 2.11 | 196806270_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tony Cloninger | CIN | -5.5 | 196806280_CIN_SFN |
| Milt Pappas | ATL | -4.86 | 196806280_ATL_LAN |
| Phil Ortega | TEX | -1.85 | 196806281_ANA_TEX |
| Mike McCormick | SFN | -0.74 | 196806260_LAN_SFN |
| Don Cardwell | NYN | -0.67 | 196806270_NYN_HOU |
Based on accumulated WAA for this season up to 1968-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.67 | Bob Gibson | 142.7 | SLN |
| +003+ | 5.53 | Don Drysdale | 141.3 | LAN |
| +005+ | 5.03 | Luis Tiant | 127.3 | CLE |
| +009+ | 3.5 | Jim Nash | 101.3 | OAK |
| +010+ | 3.47 | Sam McDowell | 129 | CLE |
| +015+ | 3.13 | Woodie Fryman | 128.7 | PHI |
| +018+ | 2.87 | Jerry Koosman | 119.3 | NYN |
| +019+ | 2.82 | Denny McLain | 145 | DET |
| +025+ | 2.51 | Tommy John | 90.3 | CHA |
| +026+ | 2.5 | Tom Seaver | 132.7 | NYN |
| +027+ | 2.37 | Bob Veale | 114.7 | PIT |
| +028+ | 2.33 | Johnny Odom | 93.3 | OAK |
| +029+ | 2.32 | Jose Santiago | 119.7 | BOS |
| +031+ | 2.27 | Stan Williams | 83.3 | CLE |
| +032+ | 2.22 | Dave McNally | 110.7 | BAL |
| +033+ | 2.19 | Ray Sadecki | 129 | SFN |
| +039+ | 2.06 | Stan Bahnsen | 110.3 | NYA |
| +041+ | 2.04 | Mike Cuellar | 73.3 | HOU |
| +046+ | 1.91 | Dave Giusti | 127 | HOU |
| +048+ | 1.85 | Mel Stottlemyre | 122.7 | NYA |
| +052+ | 1.76 | Dean Chance | 127.7 | MIN |
| +053+ | 1.75 | Larry Jaster | 74 | SLN |
| +058+ | 1.64 | Pat Dobson | 49.3 | DET |
| +060+ | 1.58 | Sonny Siebert | 126 | CLE |
| +062+ | 1.53 | Pat Jarvis | 130.7 | ATL |
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