| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 13.41 | 196706031_NYN_SFN |
| Joe Horlen | CHA | 6.14 | 196706020_OAK_CHA |
| Sonny Siebert | CLE | 5.07 | 196706020_BOS_CLE |
| Bob Gibson | SLN | 4.94 | 196706030_CHN_SLN |
| Jim Bunning | PHI | 4 | 196706030_PHI_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Ellsworth | PHI | -3.77 | 196706020_PHI_HOU |
| Curt Simmons | CHN | -1.72 | 196706020_CHN_SLN |
| Bob Bruce | ATL | -1.4 | 196706030_ATL_CIN |
| Jim Lonborg | BOS | -1.08 | 196706020_BOS_CLE |
| Jack Fisher | NYN | -1 | 196706031_NYN_SFN |
Based on accumulated WAA for this season up to 1967-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.76 | Juan Marichal | 108.3 | SFN |
| +004+ | 3.54 | Jim McGlothlin | 67 | ANA |
| +006+ | 3.38 | Don Drysdale | 87.3 | LAN |
| +012+ | 2.57 | Steve Hargan | 74 | CLE |
| +014+ | 2.47 | Dean Chance | 93.7 | MIN |
| +017+ | 2.31 | Gary Peters | 80.3 | CHA |
| +020+ | 2.02 | Joe Horlen | 71.3 | CHA |
| +022+ | 1.91 | Jim Merritt | 28.3 | MIN |
| +024+ | 1.9 | Ken Johnson | 59.3 | ATL |
| +025+ | 1.85 | Denny Lemaster | 79.3 | ATL |
| +026+ | 1.84 | Whitey Ford | 44 | NYA |
| +028+ | 1.82 | Mel Queen | 56.3 | CIN |
| +032+ | 1.68 | Gerry Arrigo | 30 | CIN |
| +036+ | 1.63 | Sonny Siebert | 65 | CLE |
| +037+ | 1.62 | Chris Short | 71.3 | PHI |
| +038+ | 1.61 | Ken Holtzman | 65.7 | CHN |
| +047+ | 1.47 | Rickey Clark | 46.7 | ANA |
| +048+ | 1.44 | Sammy Ellis | 78.7 | CIN |
| +050+ | 1.43 | Al Downing | 52 | NYA |
| +054+ | 1.39 | Tom Seaver | 71.7 | NYN |
| XXXXX | 1.22 | Gary Nolan | 65 | CIN |
| XXXXX | 1.17 | Jim O'Toole | 31 | CHA |
| XXXXX | 1.11 | Thad Tillotson | 27 | NYA |
| XXXXX | 1.08 | Gaylord Perry | 90.3 | SFN |
| XXXXX | 1.07 | Camilo Pascual | 61 | TEX |
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