| 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 |
| Bert Blyleven | MIN | 4.01 | 197409250_MIN_OAK |
| Nolan Ryan | ANA | 3.19 | 197409240_ANA_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burt Hooton | CHN | -3.26 | 197409241_WAS_CHN |
| Steve Rogers | WAS | -2.79 | 197409252_WAS_CHN |
| Jim Colborn | MIL | -2.17 | 197409231_MIL_CLE |
| Wayne Twitchell | PHI | -2.02 | 197409252_NYN_PHI |
| Rusty Gerhardt | SDN | -1.29 | 197409240_SFN_SDN |
Based on accumulated WAA for this season up to 1974-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.35 | Gaylord Perry | 307.3 | CLE |
| +005+ | 7.85 | Jim Hunter | 306.3 | OAK |
| +008+ | 7.3 | Phil Niekro | 284.3 | ATL |
| +013+ | 6.46 | Bert Blyleven | 276.3 | MIN |
| +014+ | 6.44 | Andy Messersmith | 279.7 | LAN |
| +015+ | 6.39 | Jon Matlack | 247.3 | NYN |
| +018+ | 5.98 | Buzz Capra | 208 | ATL |
| +023+ | 5.15 | Nolan Ryan | 323.7 | ANA |
| +024+ | 5.14 | Jim Barr | 230.3 | SFN |
| +025+ | 5.07 | Luis Tiant | 306.3 | BOS |
| +026+ | 5.06 | Lynn McGlothen | 231.3 | SLN |
| +027+ | 4.94 | Jim Rooker | 247 | PIT |
| +028+ | 4.88 | Ferguson Jenkins | 312.3 | TEX |
| +033+ | 4.43 | Ross Grimsley | 291 | BAL |
| +046+ | 3.59 | Tommy John | 153 | LAN |
| +050+ | 3.52 | Carl Morton | 266.7 | ATL |
| +051+ | 3.48 | Jim Perry | 245.3 | CLE |
| +054+ | 3.3 | Larry Dierker | 217.7 | HOU |
| +058+ | 3.24 | Ken Holtzman | 247.3 | OAK |
| +062+ | 3.19 | Andy Hassler | 153 | ANA |
| +064+ | 3.14 | Al Fitzmorris | 178 | KCA |
| +065+ | 3.11 | Mike Caldwell | 189.3 | SFN |
| +066+ | 3.1 | Don Gullett | 243 | CIN |
| +069+ | 3.04 | Pat Dobson | 267.3 | NYA |
| +072+ | 2.9 | Geoff Zahn | 79.7 | LAN |
_