| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bert Blyleven | MIN | 8.5 | 197505111_MIN_BAL |
| Andy Messersmith | LAN | 6.39 | 197505120_LAN_SLN |
| Tom Seaver | NYN | 5.84 | 197505110_CIN_NYN |
| Jim Palmer | BAL | 5.03 | 197505112_MIN_BAL |
| Ken Holtzman | OAK | 4.45 | 197505100_NYA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.R. Richard | HOU | -1.91 | 197505100_HOU_WAS |
| Rick Reuschel | CHN | -1.36 | 197505100_SDN_CHN |
| Joe Coleman | DET | -1.24 | 197505100_TEX_DET |
| Clay Kirby | CIN | -1.1 | 197505100_CIN_NYN |
| Pete Broberg | MIL | -0.66 | 197505100_MIL_KCA |
Based on accumulated WAA for this season up to 1975-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.41 | Don Sutton | 72.7 | LAN |
| +002+ | 2.55 | Vida Blue | 69 | OAK |
| +003+ | 2.24 | Tom Seaver | 57 | NYN |
| +004+ | 2.21 | Jim Palmer | 58.7 | BAL |
| +005+ | 2.2 | Randy Jones | 50 | SDN |
| +006+ | 2.07 | Jim Lonborg | 52.7 | PHI |
| +007+ | 2.06 | Joe McIntosh | 45.7 | SDN |
| +008+ | 2.03 | Pete Broberg | 53.7 | MIL |
| +009+ | 1.96 | Andy Messersmith | 73 | LAN |
| +010+ | 1.94 | Woodie Fryman | 37.7 | WAS |
| +011+ | 1.94 | Don Gullett | 57.7 | CIN |
| +019+ | 1.61 | Nolan Ryan | 56 | ANA |
| +022+ | 1.51 | Steve Stone | 30.7 | CHN |
| +023+ | 1.5 | Ken Holtzman | 61.3 | OAK |
| +024+ | 1.49 | Steve Busby | 66.3 | KCA |
| +028+ | 1.37 | Steve Hargan | 34.7 | TEX |
| +029+ | 1.33 | Phil Niekro | 53.7 | ATL |
| +030+ | 1.32 | Mike Norris | 16 | OAK |
| +031+ | 1.31 | Jim Kern | 33.7 | CLE |
| XXXXX | 1.2 | Bill Hands | 37.7 | TEX |
| XXXXX | 1.1 | Pete Falcone | 44 | SFN |
| XXXXX | 1.07 | Doug Rau | 59 | LAN |
| XXXXX | 1.04 | Jim Kaat | 52.3 | CHA |
| XXXXX | 0.93 | Jim Barr | 54.7 | SFN |
| XXXXX | 0.85 | Bert Blyleven | 64.3 | MIN |
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