| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 11.52 | 197409240_MIL_CLE |
| Phil Niekro | ATL | 5.47 | 197409240_ATL_LAN |
| Andy Messersmith | LAN | 4.57 | 197409240_ATL_LAN |
| Jon Matlack | NYN | 4.5 | 197409220_NYN_PIT |
| Ferguson Jenkins | TEX | 3.36 | 197409220_KCA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burt Hooton | CHN | -3.26 | 197409241_WAS_CHN |
| Bill Greif | SDN | -2.93 | 197409220_SDN_LAN |
| Steve Rogers | WAS | -2.5 | 197409221_PHI_WAS |
| Joe Coleman | DET | -2.28 | 197409220_DET_MIL |
| Clyde Wright | MIL | -2.18 | 197409220_DET_MIL |
Based on accumulated WAA for this season up to 1974-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.37 | Gaylord Perry | 307.3 | CLE |
| +005+ | 7.88 | Jim Hunter | 306.3 | OAK |
| +008+ | 7.32 | Phil Niekro | 284.3 | ATL |
| +013+ | 6.46 | Andy Messersmith | 279.7 | LAN |
| +014+ | 6.38 | Jon Matlack | 247.3 | NYN |
| +017+ | 6 | Buzz Capra | 208 | ATL |
| +019+ | 5.72 | Bert Blyleven | 267.3 | MIN |
| +023+ | 5.18 | Nolan Ryan | 323.7 | ANA |
| +024+ | 5.14 | Jim Barr | 230.3 | SFN |
| +025+ | 5.1 | Lynn McGlothen | 231.3 | SLN |
| +026+ | 5.1 | Luis Tiant | 306.3 | BOS |
| +027+ | 4.99 | Jim Rooker | 247 | PIT |
| +028+ | 4.9 | Ferguson Jenkins | 312.3 | TEX |
| +029+ | 4.87 | Ross Grimsley | 286 | BAL |
| +041+ | 3.84 | Larry Dierker | 214 | HOU |
| +046+ | 3.6 | Tommy John | 153 | LAN |
| +049+ | 3.54 | Carl Morton | 266.7 | ATL |
| +060+ | 3.26 | Ken Holtzman | 247.3 | OAK |
| +062+ | 3.15 | Al Fitzmorris | 178 | KCA |
| +063+ | 3.12 | Don Gullett | 243 | CIN |
| +065+ | 3.08 | Pat Dobson | 267.3 | NYA |
| +066+ | 3 | Jim Perry | 239.3 | CLE |
| +067+ | 2.94 | Ken Brett | 187.7 | PIT |
| +070+ | 2.8 | Jim Kaat | 259.3 | CHA |
| +071+ | 2.79 | Geoff Zahn | 73.3 | LAN |
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