| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bert Blyleven | MIN | 7.63 | 197505150_CLE_MIN |
| Nolan Ryan | ANA | 7.25 | 197505130_NYA_ANA |
| Gaylord Perry | CLE | 3.9 | 197505140_CLE_MIN |
| Phil Niekro | ATL | 2.9 | 197505150_ATL_WAS |
| Jim Hunter | NYA | 2.67 | 197505140_NYA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fritz Peterson | CLE | -2.47 | 197505130_CLE_MIN |
| Burt Hooton | LAN | -2.42 | 197505130_LAN_SLN |
| J.R. Richard | HOU | -2.06 | 197505150_HOU_CHN |
| Jim Bibby | TEX | -1.95 | 197505130_MIL_TEX |
| Joe Coleman | DET | -1.86 | 197505140_KCA_DET |
Based on accumulated WAA for this season up to 1975-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.4 | Don Sutton | 72.7 | LAN |
| +002+ | 2.52 | Vida Blue | 69 | OAK |
| +003+ | 2.4 | Jim Lonborg | 59.7 | PHI |
| +004+ | 2.29 | Nolan Ryan | 65 | ANA |
| +005+ | 2.24 | Don Gullett | 66.3 | CIN |
| +006+ | 2.21 | Tom Seaver | 57 | NYN |
| +007+ | 2.19 | Steve Busby | 75.3 | KCA |
| +009+ | 2.18 | Steve Stone | 39 | CHN |
| +008+ | 2.18 | Jim Palmer | 58.7 | BAL |
| +012+ | 2.03 | Joe McIntosh | 45.7 | SDN |
| +013+ | 1.96 | Andy Messersmith | 73 | LAN |
| +017+ | 1.86 | Woodie Fryman | 44.7 | WAS |
| +018+ | 1.73 | Randy Jones | 55 | SDN |
| +022+ | 1.63 | Pete Broberg | 62.3 | MIL |
| +024+ | 1.49 | Ken Holtzman | 61.7 | OAK |
| +025+ | 1.46 | Jim Hughes | 32.3 | MIN |
| +027+ | 1.44 | Jerry Reuss | 43.7 | PIT |
| +030+ | 1.31 | Mike Norris | 16 | OAK |
| +031+ | 1.31 | Jim Kern | 33.7 | CLE |
| XXXXX | 1.22 | Steve Hargan | 43.7 | TEX |
| XXXXX | 1.19 | Phil Niekro | 62.3 | ATL |
| XXXXX | 1.16 | Bill Hands | 37.7 | TEX |
| XXXXX | 1.09 | Pete Falcone | 44 | SFN |
| XXXXX | 0.93 | Tom Underwood | 47 | PHI |
| XXXXX | 0.91 | Jim Barr | 54.7 | SFN |
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