| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burt Hooton | CHN | -3.29 | 197409190_CHN_PHI |
| Steve Rogers | WAS | -3.09 | 197409181_NYN_WAS |
| Lerrin LaGrow | DET | -2.54 | 197409180_DET_BOS |
| Randy Jones | SDN | -1.58 | 197409180_CIN_SDN |
| Dick Tidrow | NYA | -1.12 | 197409201_CLE_NYA |
Based on accumulated WAA for this season up to 1974-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.28 | Gaylord Perry | 296.3 | CLE |
| +006+ | 7.51 | Jim Hunter | 297.3 | OAK |
| +010+ | 6.78 | Phil Niekro | 274.7 | ATL |
| +014+ | 6.01 | Andy Messersmith | 271.7 | LAN |
| +018+ | 5.61 | Jon Matlack | 238.3 | NYN |
| +019+ | 5.53 | Buzz Capra | 199.3 | ATL |
| +020+ | 5.49 | Jim Barr | 222 | SFN |
| +023+ | 5.16 | Bert Blyleven | 258.3 | MIN |
| +024+ | 5.01 | Nolan Ryan | 314.7 | ANA |
| +025+ | 4.87 | Ross Grimsley | 286 | BAL |
| +027+ | 4.77 | Ferguson Jenkins | 303.3 | TEX |
| +029+ | 4.54 | Lynn McGlothen | 222 | SLN |
| +032+ | 4.36 | Luis Tiant | 297.3 | BOS |
| +035+ | 4.24 | Jim Rooker | 238 | PIT |
| +039+ | 4.16 | Jim Perry | 235.7 | CLE |
| +040+ | 3.9 | Larry Dierker | 214 | HOU |
| +045+ | 3.61 | Tommy John | 153 | LAN |
| +046+ | 3.6 | Carl Morton | 261.7 | ATL |
| +049+ | 3.57 | Don Gullett | 241 | CIN |
| +060+ | 3.04 | Ken Holtzman | 240 | OAK |
| +062+ | 2.95 | Ken Brett | 187.7 | PIT |
| +071+ | 2.8 | Geoff Zahn | 73.3 | LAN |
| +073+ | 2.72 | Ed Sprague | 94 | MIL |
| +074+ | 2.71 | Mike Caldwell | 182 | SFN |
| +076+ | 2.62 | Andy Hassler | 146.3 | ANA |
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