| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.78 | 197506080_KCA_BAL |
| Nolan Ryan | ANA | 7.48 | 197506060_MIL_ANA |
| Don Sutton | LAN | 7.43 | 197506080_LAN_PHI |
| Phil Niekro | ATL | 4.07 | 197506060_ATL_NYN |
| Gaylord Perry | CLE | 3.32 | 197506070_TEX_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -3.39 | 197506070_NYA_CHA |
| Joe Coleman | DET | -2.59 | 197506080_DET_OAK |
| Jim Slaton | MIL | -2.39 | 197506060_MIL_ANA |
| Fritz Peterson | CLE | -2.24 | 197506082_TEX_CLE |
| Burt Hooton | LAN | -2.04 | 197506060_LAN_PHI |
Based on accumulated WAA for this season up to 1975-06-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.19 | Jim Palmer | 110.3 | BAL |
| +002+ | 4.37 | Don Sutton | 118.7 | LAN |
| +003+ | 4.19 | Andy Messersmith | 119 | LAN |
| +004+ | 3.71 | Jim Lonborg | 98.7 | PHI |
| +005+ | 3.31 | Nolan Ryan | 104.7 | ANA |
| +008+ | 3.23 | Tom Seaver | 95.7 | NYN |
| +007+ | 3.23 | Randy Jones | 86 | SDN |
| +009+ | 3.06 | Don Gullett | 94.3 | CIN |
| +011+ | 3.03 | Phil Niekro | 99 | ATL |
| +018+ | 2.74 | Joe McIntosh | 82.7 | SDN |
| +022+ | 2.53 | Bill Castro | 46.7 | MIL |
| +023+ | 2.5 | Steve Stone | 50.7 | CHN |
| +026+ | 2.37 | Jim Kaat | 105.7 | CHA |
| +029+ | 2.21 | Gary Nolan | 91.7 | CIN |
| +031+ | 2.04 | Tom Underwood | 76.3 | PHI |
| +032+ | 2.02 | Steve Rogers | 72.3 | WAS |
| +034+ | 1.97 | Dennis Eckersley | 39 | CLE |
| +038+ | 1.84 | Woodie Fryman | 63 | WAS |
| +040+ | 1.81 | Bob Forsch | 83.7 | SLN |
| +042+ | 1.8 | Steve Busby | 108.7 | KCA |
| +047+ | 1.69 | Jim Barr | 87.7 | SFN |
| +048+ | 1.69 | Rudy May | 69 | NYA |
| +051+ | 1.68 | Ken Holtzman | 101.7 | OAK |
| +054+ | 1.63 | Bruce Kison | 77.3 | PIT |
| +056+ | 1.59 | Vida Blue | 108 | OAK |
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