| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 14.1 | 197409201_CLE_NYA |
| Jim Hunter | OAK | 7.19 | 197409210_OAK_CHA |
| Phil Niekro | ATL | 4.81 | 197409200_ATL_HOU |
| Andy Messersmith | LAN | 3.84 | 197409200_SDN_LAN |
| Jim Barr | SFN | 3.66 | 197409210_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bibby | TEX | -4.61 | 197409211_KCA_TEX |
| Burt Hooton | CHN | -3.29 | 197409190_CHN_PHI |
| Dick Tidrow | NYA | -1.12 | 197409201_CLE_NYA |
| Fritz Peterson | CLE | -0.68 | 197409202_CLE_NYA |
| Mickey Lolich | DET | -0.64 | 197409210_DET_MIL |
Based on accumulated WAA for this season up to 1974-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.36 | Gaylord Perry | 296.3 | CLE |
| +005+ | 7.92 | Jim Hunter | 306.3 | OAK |
| +009+ | 6.84 | Phil Niekro | 274.7 | ATL |
| +015+ | 6.06 | Andy Messersmith | 271.7 | LAN |
| +017+ | 5.75 | Bert Blyleven | 267.3 | MIN |
| +019+ | 5.65 | Jon Matlack | 238.3 | NYN |
| +020+ | 5.57 | Buzz Capra | 199.3 | ATL |
| +023+ | 5.17 | Jim Barr | 230.3 | SFN |
| +024+ | 5.08 | Nolan Ryan | 314.7 | ANA |
| +025+ | 4.92 | Ross Grimsley | 286 | BAL |
| +026+ | 4.83 | Ferguson Jenkins | 303.3 | TEX |
| +028+ | 4.59 | Lynn McGlothen | 222 | SLN |
| +032+ | 4.39 | Luis Tiant | 297.3 | BOS |
| +035+ | 4.28 | Jim Rooker | 238 | PIT |
| +040+ | 3.93 | Larry Dierker | 214 | HOU |
| +044+ | 3.65 | Carl Morton | 261.7 | ATL |
| +045+ | 3.64 | Tommy John | 153 | LAN |
| +048+ | 3.61 | Don Gullett | 241 | CIN |
| +059+ | 3.17 | Al Fitzmorris | 178 | KCA |
| +061+ | 3.09 | Ken Holtzman | 240 | OAK |
| +062+ | 3.06 | Jim Perry | 239.3 | CLE |
| +065+ | 2.99 | Ken Brett | 187.7 | PIT |
| +071+ | 2.81 | Geoff Zahn | 73.3 | LAN |
| +073+ | 2.74 | Ed Sprague | 94 | MIL |
| +075+ | 2.73 | Mike Caldwell | 182 | SFN |
_