| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Sutton | LAN | 5.74 | 197507030_SFN_LAN |
| Phil Niekro | ATL | 4.45 | 197507020_ATL_SFN |
| Nolan Ryan | ANA | 4.2 | 197507030_ANA_MIN |
| Randy Jones | SDN | 2.75 | 197507030_CIN_SDN |
| Steve Rogers | WAS | 2.58 | 197507030_PIT_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Coleman | DET | -6.2 | 197507030_BAL_DET |
| Jim Slaton | MIL | -2.25 | 197507030_BOS_MIL |
| Jim Bibby | CLE | -2.15 | 197507010_DET_CLE |
| Burt Hooton | LAN | -1.71 | 197507010_SDN_LAN |
| Rick Wise | BOS | -1.26 | 197507021_BOS_MIL |
Based on accumulated WAA for this season up to 1975-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.58 | Jim Palmer | 152 | BAL |
| +002+ | 6.34 | Andy Messersmith | 170 | LAN |
| +003+ | 5.96 | Randy Jones | 137 | SDN |
| +004+ | 5.92 | Tom Seaver | 138.3 | NYN |
| +006+ | 4.98 | Don Sutton | 164 | LAN |
| +009+ | 4.16 | Phil Niekro | 143 | ATL |
| +010+ | 3.97 | Don Gullett | 112 | CIN |
| +011+ | 3.95 | Steve Busby | 154 | KCA |
| +016+ | 3.41 | Jerry Reuss | 110.7 | PIT |
| +017+ | 3.38 | Jim Hunter | 158 | NYA |
| +018+ | 3.34 | Jim Kaat | 149 | CHA |
| +021+ | 3.27 | Ed Figueroa | 95 | ANA |
| +022+ | 3.22 | Bob Forsch | 120.7 | SLN |
| +026+ | 2.92 | Jim Barr | 116 | SFN |
| +029+ | 2.81 | Dennis Eckersley | 77.7 | CLE |
| +032+ | 2.79 | Steve Rogers | 108.3 | WAS |
| +043+ | 2.36 | Brent Strom | 37.7 | SDN |
| +044+ | 2.31 | Bill Castro | 67.7 | MIL |
| +047+ | 2.13 | Jim Lonborg | 125.3 | PHI |
| +049+ | 2.12 | Larry Demery | 54 | PIT |
| +056+ | 1.99 | Gary Nolan | 121 | CIN |
| +064+ | 1.8 | Nolan Ryan | 134.3 | ANA |
| +067+ | 1.78 | Tom Underwood | 116.3 | PHI |
| +069+ | 1.77 | Vida Blue | 147.7 | OAK |
| +070+ | 1.75 | Ken Holtzman | 137.7 | OAK |
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