| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 10.75 | 197408120_LAN_NYN |
| Jon Matlack | NYN | 5.4 | 197408130_LAN_NYN |
| Jim Barr | SFN | 5.26 | 197408130_SFN_PHI |
| Luis Tiant | BOS | 4.12 | 197408130_BOS_ANA |
| Jim Hunter | OAK | 3.64 | 197408120_NYA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Colborn | MIL | -2.79 | 197408120_MIL_TEX |
| Bill Greif | SDN | -2.56 | 197408120_SDN_SLN |
| Steve Stone | CHN | -1.16 | 197408140_HOU_CHN |
| John Curtis | SLN | -1.04 | 197408120_SDN_SLN |
| Steve Hargan | TEX | -0.99 | 197408120_MIL_TEX |
Based on accumulated WAA for this season up to 1974-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.03 | Andy Messersmith | 212 | LAN |
| +007+ | 6.25 | Gaylord Perry | 218.7 | CLE |
| +011+ | 5.16 | Phil Niekro | 206 | ATL |
| +013+ | 5.04 | Jon Matlack | 185.3 | NYN |
| +017+ | 4.74 | Luis Tiant | 236 | BOS |
| +018+ | 4.72 | Jim Barr | 174 | SFN |
| +020+ | 4.56 | Buzz Capra | 142.3 | ATL |
| +021+ | 4.5 | Jim Hunter | 223.3 | OAK |
| +024+ | 3.86 | Tommy John | 153 | LAN |
| +028+ | 3.58 | Ken Brett | 168.3 | PIT |
| +035+ | 3.29 | Jim Lonborg | 209.7 | PHI |
| +037+ | 3.25 | Steve Carlton | 214 | PHI |
| +038+ | 3.24 | Carl Morton | 205.7 | ATL |
| +039+ | 3.13 | Bert Blyleven | 201 | MIN |
| +042+ | 3.07 | Don Gullett | 181.3 | CIN |
| +043+ | 3.06 | Doug Rau | 151 | LAN |
| +044+ | 3.05 | Ron Reed | 127 | ATL |
| +046+ | 3.04 | Lynn McGlothen | 165.7 | SLN |
| +055+ | 2.66 | Nolan Ryan | 238.7 | ANA |
| +056+ | 2.66 | Ed Sprague | 91 | MIL |
| +058+ | 2.61 | Steve Busby | 216 | KCA |
| +062+ | 2.53 | Larry Dierker | 160.3 | HOU |
| +067+ | 2.44 | Jim Rooker | 174.7 | PIT |
| +068+ | 2.43 | Fred Norman | 144.3 | CIN |
| +070+ | 2.36 | Pat Dobson | 191.3 | NYA |
_