| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 10.62 | 197506130_PHI_LAN |
| Tom Seaver | NYN | 8.68 | 197506150_NYN_SDN |
| Nolan Ryan | ANA | 7.03 | 197506140_ANA_MIL |
| Ken Holtzman | OAK | 3.32 | 197506130_OAK_DET |
| Jim Hunter | NYA | 2.99 | 197506150_CHA_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Slaton | MIL | -3.92 | 197506152_ANA_MIL |
| Stan Bahnsen | CHA | -3.79 | 197506150_CHA_NYA |
| Roric Harrison | CLE | -3.25 | 197506140_CLE_TEX |
| Johnny Odom | ATL | -2.54 | 197506130_PIT_ATL |
| Joe Coleman | DET | -2.41 | 197506130_OAK_DET |
Based on accumulated WAA for this season up to 1975-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.71 | Jim Palmer | 119.3 | BAL |
| +002+ | 4.83 | Tom Seaver | 113.7 | NYN |
| +003+ | 4.7 | Don Sutton | 126.7 | LAN |
| +004+ | 4.64 | Andy Messersmith | 136 | LAN |
| +005+ | 4.37 | Jim Lonborg | 107.7 | PHI |
| +006+ | 4.29 | Randy Jones | 104 | SDN |
| +008+ | 3.68 | Don Gullett | 103.3 | CIN |
| +012+ | 3.08 | Nolan Ryan | 118 | ANA |
| +015+ | 2.92 | Phil Niekro | 107 | ATL |
| +019+ | 2.78 | Gary Nolan | 97.7 | CIN |
| +020+ | 2.72 | Jim Kaat | 114.7 | CHA |
| +023+ | 2.61 | Dennis Eckersley | 56.7 | CLE |
| +026+ | 2.53 | Bob Forsch | 98.7 | SLN |
| +027+ | 2.51 | Bill Castro | 53.7 | MIL |
| +029+ | 2.48 | Steve Busby | 118.7 | KCA |
| +032+ | 2.37 | Steve Rogers | 79.3 | WAS |
| +034+ | 2.28 | Rudy May | 78 | NYA |
| +035+ | 2.22 | Joe McIntosh | 84.3 | SDN |
| +039+ | 2.15 | Jim Umbarger | 44 | TEX |
| +041+ | 2.08 | Jim Hunter | 132 | NYA |
| +042+ | 2.07 | Steve Stone | 62.3 | CHN |
| +043+ | 2.04 | Jim Barr | 103.7 | SFN |
| +044+ | 2.03 | Ed Figueroa | 66 | ANA |
| +045+ | 1.98 | Jerry Reuss | 85.7 | PIT |
| +046+ | 1.96 | Woodie Fryman | 77 | WAS |
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