| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 12.06 | 197507040_BAL_NYA |
| Andy Messersmith | LAN | 11.92 | 197507040_SFN_LAN |
| Tom Seaver | NYN | 11.7 | 197507040_NYN_PHI |
| Jim Hunter | NYA | 5.16 | 197507040_BAL_NYA |
| Phil Niekro | ATL | 4.45 | 197507020_ATL_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Coleman | DET | -6.2 | 197507030_BAL_DET |
| Jim Slaton | MIL | -2.25 | 197507030_BOS_MIL |
| Rick Wise | BOS | -1.26 | 197507021_BOS_MIL |
| Wilbur Wood | CHA | -1.18 | 197507040_CHA_KCA |
| Ray Corbin | MIN | -0.9 | 197507042_TEX_MIN |
Based on accumulated WAA for this season up to 1975-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.69 | Andy Messersmith | 177 | LAN |
| +002+ | 6.39 | Jim Palmer | 160 | BAL |
| +003+ | 6.15 | Tom Seaver | 146.3 | NYN |
| +004+ | 5.93 | Randy Jones | 137 | SDN |
| +006+ | 4.95 | Don Sutton | 164 | LAN |
| +009+ | 4.13 | Phil Niekro | 143 | ATL |
| +010+ | 3.94 | Don Gullett | 112 | CIN |
| +011+ | 3.92 | Steve Busby | 154 | KCA |
| +012+ | 3.85 | Jerry Reuss | 121 | PIT |
| +017+ | 3.32 | Jim Kaat | 149 | CHA |
| +018+ | 3.26 | Ed Figueroa | 95 | ANA |
| +021+ | 3.19 | Bob Forsch | 120.7 | SLN |
| +024+ | 3.02 | Jim Hunter | 166.3 | NYA |
| +027+ | 2.89 | Jim Barr | 116 | SFN |
| +030+ | 2.8 | Dennis Eckersley | 77.7 | CLE |
| +032+ | 2.77 | Steve Rogers | 108.3 | WAS |
| +043+ | 2.5 | Ken Holtzman | 146.7 | OAK |
| +044+ | 2.49 | John Montefusco | 109 | SFN |
| +046+ | 2.35 | Brent Strom | 37.7 | SDN |
| +048+ | 2.31 | Bill Castro | 67.7 | MIL |
| +053+ | 2.11 | Jim Lonborg | 125.3 | PHI |
| +054+ | 2.1 | Larry Demery | 54 | PIT |
| +061+ | 1.97 | Gary Nolan | 121 | CIN |
| +066+ | 1.87 | Steve Stone | 95.3 | CHN |
| +070+ | 1.79 | Nolan Ryan | 134.3 | ANA |
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