| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Sutton | LAN | 8.04 | 197506030_LAN_WAS |
| Nolan Ryan | ANA | 6.1 | 197506010_BAL_ANA |
| Gaylord Perry | CLE | 4.19 | 197506010_CLE_OAK |
| Phil Niekro | ATL | 3.52 | 197506010_ATL_PIT |
| Bill Lee | BOS | 2.83 | 197506020_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -4.09 | 197506020_CHA_BOS |
| Joe Coleman | DET | -2.35 | 197506030_DET_ANA |
| Fritz Peterson | CLE | -2.12 | 197506030_KCA_CLE |
| Burt Hooton | LAN | -1.8 | 197506010_LAN_CHN |
| Ron Reed | SLN | -0.89 | 197506030_ATL_SLN |
Based on accumulated WAA for this season up to 1975-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.57 | Don Sutton | 113.7 | LAN |
| +002+ | 4.12 | Jim Palmer | 91 | BAL |
| +003+ | 3.65 | Randy Jones | 81 | SDN |
| +004+ | 3.43 | Andy Messersmith | 110 | LAN |
| +006+ | 3.19 | Jim Lonborg | 89.7 | PHI |
| +009+ | 2.87 | Steve Stone | 45.3 | CHN |
| +010+ | 2.81 | Tom Seaver | 86.7 | NYN |
| +015+ | 2.58 | Nolan Ryan | 95.7 | ANA |
| +016+ | 2.56 | Phil Niekro | 90 | ATL |
| +017+ | 2.56 | Dennis Eckersley | 32.3 | CLE |
| +018+ | 2.53 | Don Gullett | 85.3 | CIN |
| +020+ | 2.41 | Jim Kaat | 88.3 | CHA |
| +021+ | 2.4 | Joe McIntosh | 73.7 | SDN |
| +025+ | 2.21 | Jim Barr | 81.7 | SFN |
| +030+ | 1.92 | Tom Underwood | 69.7 | PHI |
| +031+ | 1.87 | Woodie Fryman | 63 | WAS |
| +035+ | 1.75 | Vida Blue | 102 | OAK |
| +039+ | 1.67 | Gary Nolan | 82.7 | CIN |
| +042+ | 1.65 | Jim Hughes | 61 | MIN |
| +044+ | 1.61 | Steve Busby | 93.7 | KCA |
| +049+ | 1.52 | John Montefusco | 58.3 | SFN |
| +052+ | 1.48 | Steve Rogers | 63.3 | WAS |
| +057+ | 1.45 | Jim Hunter | 105 | NYA |
| +059+ | 1.43 | Bill Hands | 62 | TEX |
| +064+ | 1.37 | Alan Foster | 41.3 | SDN |
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