| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 9.94 | 197506200_PIT_NYN |
| Don Sutton | LAN | 7.41 | 197506200_LAN_SDN |
| Nolan Ryan | ANA | 6.94 | 197506180_ANA_KCA |
| Phil Niekro | ATL | 4.24 | 197506200_SFN_ATL |
| Jim Hunter | NYA | 3.87 | 197506190_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Odom | ATL | -3.72 | 197506180_ATL_CIN |
| Stan Bahnsen | OAK | -3.29 | 197506200_KCA_OAK |
| Jim Slaton | MIL | -3.25 | 197506200_MIL_CLE |
| Joe Coleman | DET | -2.64 | 197506180_BOS_DET |
| Roric Harrison | CLE | -2.42 | 197506200_MIL_CLE |
Based on accumulated WAA for this season up to 1975-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.76 | Jim Palmer | 126 | BAL |
| +002+ | 5.42 | Don Sutton | 142.7 | LAN |
| +003+ | 5.41 | Andy Messersmith | 145 | LAN |
| +004+ | 5.38 | Tom Seaver | 121.7 | NYN |
| +005+ | 4.73 | Randy Jones | 112 | SDN |
| +007+ | 4.15 | Don Gullett | 112 | CIN |
| +011+ | 3.21 | Jim Lonborg | 112.7 | PHI |
| +012+ | 3.18 | Phil Niekro | 120 | ATL |
| +018+ | 3.02 | Steve Busby | 127.7 | KCA |
| +019+ | 3.01 | Jim Kaat | 120.7 | CHA |
| +021+ | 2.87 | Jerry Reuss | 94.7 | PIT |
| +024+ | 2.78 | Bob Forsch | 106.7 | SLN |
| +023+ | 2.78 | Bill Castro | 60.7 | MIL |
| +026+ | 2.69 | Dennis Eckersley | 56.7 | CLE |
| +027+ | 2.64 | Jim Hunter | 141 | NYA |
| +029+ | 2.6 | Ed Figueroa | 74 | ANA |
| +030+ | 2.58 | Steve Rogers | 86.3 | WAS |
| +031+ | 2.57 | Nolan Ryan | 120 | ANA |
| +032+ | 2.54 | Gary Nolan | 103 | CIN |
| +033+ | 2.51 | Jim Barr | 109.7 | SFN |
| +044+ | 2.08 | Woodie Fryman | 83 | WAS |
| +046+ | 2.03 | John Montefusco | 87 | SFN |
| +047+ | 2.01 | Joe McIntosh | 85 | SDN |
| +059+ | 1.66 | Larry Demery | 39 | PIT |
| +062+ | 1.62 | Bill Hands | 64.7 | TEX |
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