| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 23.43 | 197407180_OAK_CLE |
| Andy Messersmith | LAN | 10.53 | 197407180_WAS_LAN |
| Jim Hunter | OAK | 5.71 | 197407180_OAK_CLE |
| Larry Dierker | HOU | 3.07 | 197407160_HOU_PIT |
| Bert Blyleven | MIN | 2.92 | 197407170_MIL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Greif | SDN | -3.76 | 197407160_PHI_SDN |
| Jim Bibby | TEX | -2.37 | 197407170_TEX_NYA |
| Roric Harrison | ATL | -1.48 | 197407160_CHN_ATL |
| Dick Tidrow | NYA | -1.47 | 197407180_KCA_NYA |
| Woodie Fryman | DET | -1.32 | 197407170_DET_CHA |
Based on accumulated WAA for this season up to 1974-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.6 | Gaylord Perry | 189.3 | CLE |
| +002+ | 6.42 | Andy Messersmith | 179 | LAN |
| +003+ | 5.18 | Buzz Capra | 124.7 | ATL |
| +008+ | 4.67 | Jim Hunter | 185.3 | OAK |
| +012+ | 4.18 | Larry Dierker | 129 | HOU |
| +017+ | 3.79 | Tommy John | 153 | LAN |
| +020+ | 3.52 | Jon Matlack | 139 | NYN |
| +025+ | 3.37 | Luis Tiant | 185 | BOS |
| +026+ | 3.33 | Jim Barr | 129.3 | SFN |
| +027+ | 3.3 | Paul Lindblad | 57.7 | OAK |
| +028+ | 3.07 | Jim Perry | 144.7 | CLE |
| +029+ | 3.05 | Ken Brett | 137 | PIT |
| +030+ | 3.03 | Don Gullett | 141.3 | CIN |
| +031+ | 2.91 | Carl Morton | 174.3 | ATL |
| +036+ | 2.72 | Phil Niekro | 164.7 | ATL |
| +037+ | 2.69 | Mike Cuellar | 146.7 | BAL |
| +038+ | 2.68 | Fred Norman | 120 | CIN |
| +039+ | 2.64 | Lynn McGlothen | 134 | SLN |
| +040+ | 2.62 | Ed Sprague | 89 | MIL |
| +050+ | 2.39 | Steve Carlton | 174.7 | PHI |
| +055+ | 2.32 | Bert Blyleven | 163.3 | MIN |
| +056+ | 2.3 | Joe Decker | 143.3 | MIN |
| +059+ | 2.26 | Clay Kirby | 139.7 | CIN |
| +058+ | 2.26 | Jim Rooker | 140 | PIT |
| +060+ | 2.23 | Steve Busby | 175.7 | KCA |
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