| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 13.63 | 197507210_CHN_LAN |
| Jim Palmer | BAL | 9.47 | 197507230_ANA_BAL |
| Jim Hunter | NYA | 6.17 | 197507220_NYA_CHA |
| Randy Jones | SDN | 3.58 | 197507220_PIT_SDN |
| Jim Barr | SFN | 3.51 | 197507210_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | OAK | -3.79 | 197507222_OAK_DET |
| J.R. Richard | HOU | -2.89 | 197507230_HOU_WAS |
| Fritz Peterson | CLE | -2.48 | 197507210_ANA_CLE |
| Jim Slaton | MIL | -1.21 | 197507221_KCA_MIL |
| Bruce Dal Canton | ATL | -0.9 | 197507230_ATL_PHI |
Based on accumulated WAA for this season up to 1975-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.61 | Andy Messersmith | 208 | LAN |
| +003+ | 6.56 | Tom Seaver | 172 | NYN |
| +004+ | 6.22 | Jim Palmer | 185 | BAL |
| +005+ | 6.18 | Randy Jones | 167.7 | SDN |
| +008+ | 4.94 | Don Sutton | 184 | LAN |
| +012+ | 4.49 | Ed Figueroa | 129 | ANA |
| +013+ | 4.37 | Jerry Reuss | 136.3 | PIT |
| +015+ | 4.25 | Jim Hunter | 198.7 | NYA |
| +020+ | 3.95 | Jim Barr | 135 | SFN |
| +021+ | 3.85 | Phil Niekro | 163 | ATL |
| +024+ | 3.48 | Bob Forsch | 149.3 | SLN |
| +028+ | 3.2 | Steve Busby | 181.3 | KCA |
| +032+ | 3.16 | Steve Rogers | 138.3 | WAS |
| +034+ | 3.11 | Vida Blue | 182.7 | OAK |
| +038+ | 2.98 | Frank Tanana | 143.3 | ANA |
| +039+ | 2.95 | John Montefusco | 138 | SFN |
| +041+ | 2.9 | Jim Kaat | 175 | CHA |
| +054+ | 2.48 | Dennis Eckersley | 96.3 | CLE |
| +062+ | 2.25 | Ken Brett | 75 | PIT |
| +069+ | 2.03 | Bill Castro | 71.3 | MIL |
| +077+ | 1.84 | Bert Blyleven | 146 | MIN |
| +079+ | 1.83 | Mickey Lolich | 145.7 | DET |
| +083+ | 1.75 | Gary Nolan | 144.7 | CIN |
| +089+ | 1.65 | Bruce Kison | 126.7 | PIT |
| +092+ | 1.64 | John Denny | 72.3 | SLN |
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