| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 11.18 | 197506160_BAL_CLE |
| Andy Messersmith | LAN | 9.4 | 197506170_HOU_LAN |
| Tom Seaver | NYN | 8.68 | 197506150_NYN_SDN |
| Phil Niekro | ATL | 4.18 | 197506160_ATL_CIN |
| Don Gullett | CIN | 3.04 | 197506160_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Slaton | MIL | -3.92 | 197506152_ANA_MIL |
| Stan Bahnsen | CHA | -3.79 | 197506150_CHA_NYA |
| Jim Bibby | CLE | -2.53 | 197506160_BAL_CLE |
| Bill Butler | MIN | -1.5 | 197506172_OAK_MIN |
| Rick Wise | BOS | -1.25 | 197506170_BOS_DET |
Based on accumulated WAA for this season up to 1975-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.73 | Jim Palmer | 126 | BAL |
| +002+ | 5.29 | Andy Messersmith | 145 | LAN |
| +003+ | 5.14 | Don Sutton | 135.7 | LAN |
| +004+ | 4.89 | Tom Seaver | 113.7 | NYN |
| +005+ | 4.38 | Randy Jones | 104 | SDN |
| +006+ | 4.08 | Don Gullett | 112 | CIN |
| +012+ | 3.23 | Jim Lonborg | 112.7 | PHI |
| +013+ | 3.18 | Nolan Ryan | 118 | ANA |
| +017+ | 2.99 | Phil Niekro | 114 | ATL |
| +019+ | 2.92 | Steve Busby | 127.7 | KCA |
| +020+ | 2.89 | Jim Kaat | 120.7 | CHA |
| +024+ | 2.74 | Bill Castro | 60.7 | MIL |
| +026+ | 2.65 | Dennis Eckersley | 56.7 | CLE |
| +027+ | 2.62 | Bob Forsch | 98.7 | SLN |
| +028+ | 2.58 | Steve Rogers | 86.3 | WAS |
| +029+ | 2.56 | Ed Figueroa | 74 | ANA |
| +032+ | 2.47 | Gary Nolan | 103 | CIN |
| +036+ | 2.3 | Joe McIntosh | 84.3 | SDN |
| +039+ | 2.17 | Jim Hunter | 132 | NYA |
| +041+ | 2.12 | Jim Barr | 103.7 | SFN |
| +042+ | 2.11 | Steve Stone | 62.3 | CHN |
| +043+ | 2.04 | Jerry Reuss | 85.7 | PIT |
| +046+ | 1.99 | Woodie Fryman | 77 | WAS |
| +052+ | 1.81 | Rudy May | 81.7 | NYA |
| +057+ | 1.64 | Larry Demery | 39 | PIT |
_