| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 10.95 | 197506210_BOS_BAL |
| Andy Messersmith | LAN | 10.31 | 197506210_LAN_SDN |
| Tom Seaver | NYN | 9.94 | 197506200_PIT_NYN |
| Phil Niekro | ATL | 4.24 | 197506200_SFN_ATL |
| Jim Hunter | NYA | 3.87 | 197506190_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | OAK | -3.29 | 197506200_KCA_OAK |
| Jim Slaton | MIL | -3.25 | 197506200_MIL_CLE |
| Roric Harrison | CLE | -2.42 | 197506200_MIL_CLE |
| J.R. Richard | HOU | -1.2 | 197506210_CIN_HOU |
| Clyde Wright | TEX | -0.45 | 197506212_TEX_ANA |
Based on accumulated WAA for this season up to 1975-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.52 | Jim Palmer | 135 | BAL |
| +002+ | 5.54 | Andy Messersmith | 154 | LAN |
| +003+ | 5.42 | Don Sutton | 142.7 | LAN |
| +004+ | 5.38 | Tom Seaver | 121.7 | NYN |
| +005+ | 4.73 | Randy Jones | 112 | SDN |
| +007+ | 4.07 | Don Gullett | 112 | CIN |
| +009+ | 3.57 | Steve Busby | 136.7 | KCA |
| +011+ | 3.3 | Jim Lonborg | 118.7 | PHI |
| +014+ | 3.18 | Phil Niekro | 120 | ATL |
| +020+ | 2.86 | Jerry Reuss | 94.7 | PIT |
| +021+ | 2.77 | Bill Castro | 60.7 | MIL |
| +022+ | 2.77 | Bob Forsch | 106.7 | SLN |
| +028+ | 2.63 | Jim Hunter | 141 | NYA |
| +029+ | 2.59 | Ed Figueroa | 74 | ANA |
| +030+ | 2.57 | Steve Rogers | 86.3 | WAS |
| +031+ | 2.56 | Nolan Ryan | 120 | ANA |
| +032+ | 2.5 | Jim Barr | 109.7 | SFN |
| +034+ | 2.46 | Gary Nolan | 103 | CIN |
| +038+ | 2.29 | Jim Kaat | 127 | CHA |
| +042+ | 2.1 | Pat Dobson | 115.7 | NYA |
| +043+ | 2.08 | Woodie Fryman | 83 | WAS |
| +046+ | 2.02 | John Montefusco | 87 | SFN |
| +047+ | 2 | Joe McIntosh | 85 | SDN |
| +049+ | 1.96 | Dennis Eckersley | 63 | CLE |
| +056+ | 1.86 | Larry Demery | 41.3 | PIT |
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