| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 12.88 | 197506250_NYA_BAL |
| Tom Seaver | NYN | 10.88 | 197506250_SLN_NYN |
| Andy Messersmith | LAN | 10.59 | 197506260_LAN_SFN |
| Steve Rogers | WAS | 2.83 | 197506271_SLN_WAS |
| Bert Blyleven | MIN | 2.57 | 197506271_MIN_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roric Harrison | CLE | -3.22 | 197506250_CLE_BOS |
| Wilbur Wood | CHA | -1.71 | 197506260_TEX_CHA |
| Rick Wise | BOS | -1.7 | 197506270_NYA_BOS |
| Pete Broberg | MIL | -1.45 | 197506250_DET_MIL |
| J.R. Richard | HOU | -1.3 | 197506260_ATL_HOU |
Based on accumulated WAA for this season up to 1975-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.82 | Jim Palmer | 144 | BAL |
| +002+ | 5.83 | Tom Seaver | 130 | NYN |
| +003+ | 5.74 | Andy Messersmith | 161 | LAN |
| +004+ | 5.28 | Randy Jones | 122 | SDN |
| +006+ | 4.98 | Don Sutton | 149.7 | LAN |
| +008+ | 4.21 | Steve Busby | 148.7 | KCA |
| +009+ | 4.01 | Don Gullett | 112 | CIN |
| +014+ | 3.19 | Phil Niekro | 128 | ATL |
| +015+ | 3.16 | Jim Hunter | 150 | NYA |
| +019+ | 3.03 | Ed Figueroa | 88 | ANA |
| +020+ | 2.98 | Steve Rogers | 101.3 | WAS |
| +023+ | 2.94 | Bob Forsch | 113.7 | SLN |
| +025+ | 2.84 | Jim Barr | 116 | SFN |
| +028+ | 2.66 | Bill Castro | 64.7 | MIL |
| +031+ | 2.61 | Dennis Eckersley | 71 | CLE |
| +032+ | 2.58 | Jerry Reuss | 101.7 | PIT |
| +040+ | 2.39 | Jim Kaat | 134 | CHA |
| +041+ | 2.38 | Nolan Ryan | 120 | ANA |
| +043+ | 2.31 | Woodie Fryman | 91 | WAS |
| +044+ | 2.3 | Jim Lonborg | 120.3 | PHI |
| +052+ | 1.99 | Brent Strom | 26 | SDN |
| +063+ | 1.74 | Gary Nolan | 105 | CIN |
| +069+ | 1.6 | Tom Underwood | 102.3 | PHI |
| +071+ | 1.57 | Pat Dobson | 122 | NYA |
| +078+ | 1.42 | Joe McIntosh | 86.3 | SDN |
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