| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 10.18 | 197408070_CIN_LAN |
| Phil Niekro | ATL | 4.62 | 197408060_ATL_SDN |
| Steve Carlton | PHI | 3.24 | 197408060_CHN_PHI |
| Ken Brett | PIT | 2.11 | 197408060_NYN_PIT |
| Bert Blyleven | MIN | 1.86 | 197408051_OAK_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bibby | TEX | -4.38 | 197408070_OAK_TEX |
| Jim Colborn | MIL | -3.25 | 197408070_BOS_MIL |
| Reggie Cleveland | BOS | -2.42 | 197408061_BOS_MIL |
| Bill Greif | SDN | -2.13 | 197408060_ATL_SDN |
| Dick Tidrow | NYA | -2.05 | 197408060_BAL_NYA |
Based on accumulated WAA for this season up to 1974-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.22 | Andy Messersmith | 206 | LAN |
| +002+ | 6.67 | Gaylord Perry | 209.7 | CLE |
| +010+ | 5.21 | Phil Niekro | 199.7 | ATL |
| +012+ | 4.86 | Jim Barr | 160 | SFN |
| +017+ | 4.49 | Buzz Capra | 137.7 | ATL |
| +019+ | 4.37 | Luis Tiant | 221 | BOS |
| +020+ | 4.29 | Jon Matlack | 168 | NYN |
| +023+ | 3.92 | Tommy John | 153 | LAN |
| +024+ | 3.86 | Steve Carlton | 206.7 | PHI |
| +026+ | 3.72 | Jim Hunter | 205.3 | OAK |
| +027+ | 3.71 | Ken Brett | 168.3 | PIT |
| +035+ | 3.07 | Lynn McGlothen | 158.7 | SLN |
| +036+ | 3.06 | Bruce DalCanton | 128.3 | KCA |
| +039+ | 2.97 | Don Gullett | 169 | CIN |
| +040+ | 2.91 | Jim Lonborg | 200.7 | PHI |
| +041+ | 2.86 | Larry Dierker | 153.3 | HOU |
| +043+ | 2.83 | Doug Rau | 140.3 | LAN |
| +046+ | 2.77 | Fred Norman | 137.3 | CIN |
| +047+ | 2.7 | Ed Sprague | 91 | MIL |
| +050+ | 2.58 | Bert Blyleven | 192 | MIN |
| +052+ | 2.54 | Carl Morton | 190.7 | ATL |
| +055+ | 2.52 | Ross Grimsley | 204 | BAL |
| +057+ | 2.48 | Nolan Ryan | 229.7 | ANA |
| +062+ | 2.32 | Jim Rooker | 159.7 | PIT |
| +063+ | 2.29 | Steve Busby | 200 | KCA |
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