| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 13.41 | 196706031_NYN_SFN |
| Joe Horlen | CHA | 6.14 | 196706020_OAK_CHA |
| Don Drysdale | LAN | 5.83 | 196706040_PIT_LAN |
| Sonny Siebert | CLE | 5.07 | 196706020_BOS_CLE |
| Bob Gibson | SLN | 4.94 | 196706030_CHN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Ellsworth | PHI | -3.77 | 196706020_PHI_HOU |
| Phil Ortega | TEX | -2.44 | 196706040_TEX_BAL |
| Curt Simmons | CHN | -1.72 | 196706020_CHN_SLN |
| Mickey Lolich | DET | -1.65 | 196706041_DET_NYA |
| Bob Bruce | ATL | -1.4 | 196706030_ATL_CIN |
Based on accumulated WAA for this season up to 1967-06-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.79 | Juan Marichal | 108.3 | SFN |
| +004+ | 3.55 | Jim McGlothlin | 67 | ANA |
| +008+ | 3.31 | Steve Hargan | 83 | CLE |
| +009+ | 3.11 | Don Drysdale | 94.3 | LAN |
| +015+ | 2.46 | Dean Chance | 93.7 | MIN |
| +017+ | 2.33 | Gary Peters | 80.3 | CHA |
| +021+ | 2.12 | Al Downing | 61 | NYA |
| +022+ | 2.04 | Joe Horlen | 71.3 | CHA |
| +029+ | 1.88 | Denny Lemaster | 79.3 | ATL |
| +030+ | 1.83 | Mel Queen | 56.3 | CIN |
| +031+ | 1.82 | Whitey Ford | 44 | NYA |
| +033+ | 1.69 | Gerry Arrigo | 30 | CIN |
| +037+ | 1.65 | Sonny Siebert | 65 | CLE |
| +040+ | 1.64 | Ken Holtzman | 65.7 | CHN |
| +042+ | 1.64 | Chris Short | 71.3 | PHI |
| +046+ | 1.48 | Rickey Clark | 46.7 | ANA |
| +047+ | 1.46 | Sammy Ellis | 78.7 | CIN |
| +049+ | 1.43 | Tom Seaver | 71.7 | NYN |
| +051+ | 1.41 | Ken Johnson | 63.3 | ATL |
| +053+ | 1.38 | Jim Merritt | 34.7 | MIN |
| XXXXX | 1.24 | Gary Nolan | 65 | CIN |
| XXXXX | 1.18 | Jim O'Toole | 31 | CHA |
| XXXXX | 1.1 | Thad Tillotson | 27 | NYA |
| XXXXX | 1.1 | Gaylord Perry | 90.3 | SFN |
| XXXXX | 1.01 | Dick Hughes | 52.3 | SLN |
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