| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 13.66 | 197506301_BAL_BOS |
| Tom Seaver | NYN | 12.23 | 197506292_PHI_NYN |
| Andy Messersmith | LAN | 11.05 | 197506300_SDN_LAN |
| Jim Hunter | NYA | 5.01 | 197506290_NYA_BOS |
| Nolan Ryan | ANA | 4.64 | 197506290_OAK_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Coleman | DET | -5.75 | 197506280_DET_BAL |
| Roric Harrison | CLE | -3.63 | 197506301_DET_CLE |
| Stan Bahnsen | OAK | -3.14 | 197506300_OAK_CHA |
| Pete Broberg | MIL | -1.8 | 197506290_CLE_MIL |
| Wilbur Wood | CHA | -1.78 | 197506300_OAK_CHA |
Based on accumulated WAA for this season up to 1975-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.45 | Jim Palmer | 152 | BAL |
| +002+ | 6.32 | Andy Messersmith | 170 | LAN |
| +003+ | 5.83 | Tom Seaver | 138.3 | NYN |
| +004+ | 5.17 | Randy Jones | 128 | SDN |
| +007+ | 4.49 | Don Sutton | 156 | LAN |
| +008+ | 4.23 | Steve Busby | 148.7 | KCA |
| +010+ | 3.95 | Don Gullett | 112 | CIN |
| +012+ | 3.33 | Jerry Reuss | 110.7 | PIT |
| +013+ | 3.27 | Phil Niekro | 134 | ATL |
| +014+ | 3.23 | Jim Hunter | 158 | NYA |
| +019+ | 3.11 | Bob Forsch | 120.7 | SLN |
| +023+ | 3.02 | Ed Figueroa | 88 | ANA |
| +024+ | 2.96 | Steve Rogers | 101.3 | WAS |
| +027+ | 2.82 | Jim Barr | 116 | SFN |
| +030+ | 2.73 | Jim Kaat | 140.7 | CHA |
| +035+ | 2.65 | Bill Castro | 64.7 | MIL |
| +037+ | 2.61 | Dennis Eckersley | 71 | CLE |
| +043+ | 2.3 | Nolan Ryan | 126.7 | ANA |
| +044+ | 2.29 | Woodie Fryman | 91 | WAS |
| +047+ | 2.12 | Brent Strom | 35 | SDN |
| +048+ | 2.08 | Larry Demery | 54 | PIT |
| +050+ | 2.04 | Jim Lonborg | 125.3 | PHI |
| +061+ | 1.77 | Tom Underwood | 107.3 | PHI |
| +068+ | 1.66 | John Montefusco | 100 | SFN |
| +070+ | 1.63 | Ken Holtzman | 137.7 | OAK |
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