| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.01 | 197505010_BAL_NYA |
| Bert Blyleven | MIN | 8.01 | 197505030_KCA_MIN |
| Nolan Ryan | ANA | 5.99 | 197505030_ANA_TEX |
| Andy Messersmith | LAN | 5.23 | 197505030_SDN_LAN |
| Ken Holtzman | OAK | 4.96 | 197505030_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fritz Peterson | CLE | -3.26 | 197505030_BAL_CLE |
| Paul Splittorff | KCA | -2.56 | 197505030_KCA_MIN |
| Doug Konieczny | HOU | -2.04 | 197505020_HOU_SFN |
| Clyde Wright | TEX | -1.96 | 197505010_CHA_TEX |
| Roric Harrison | ATL | -1.37 | 197505030_ATL_CIN |
Based on accumulated WAA for this season up to 1975-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.46 | Woodie Fryman | 33.7 | WAS |
| +002+ | 2.12 | Don Sutton | 54.7 | LAN |
| +003+ | 1.9 | Joe McIntosh | 39.7 | SDN |
| +004+ | 1.85 | Vida Blue | 53.3 | OAK |
| +006+ | 1.68 | Pete Broberg | 42.7 | MIL |
| +007+ | 1.64 | Tom Seaver | 40 | NYN |
| +008+ | 1.59 | Jim Palmer | 40.7 | BAL |
| +009+ | 1.58 | Mickey Lolich | 32 | DET |
| +011+ | 1.48 | Steve Stone | 30.7 | CHN |
| +014+ | 1.46 | Don Gullett | 44.7 | CIN |
| +016+ | 1.44 | Jim Lonborg | 45.7 | PHI |
| +020+ | 1.31 | Mike Norris | 16 | OAK |
| +021+ | 1.3 | Dave Roberts | 31 | HOU |
| +022+ | 1.27 | Randy Jones | 37 | SDN |
| XXXXX | 1.25 | Ken Holtzman | 46 | OAK |
| XXXXX | 1.19 | Gaylord Perry | 51.3 | CLE |
| XXXXX | 1.11 | Andy Messersmith | 58 | LAN |
| XXXXX | 1.05 | Steve Busby | 49 | KCA |
| XXXXX | 1.01 | Steve Hargan | 25.7 | TEX |
| XXXXX | 0.88 | Carl Morton | 48.3 | ATL |
| XXXXX | 0.81 | Rudy May | 32.3 | NYA |
| XXXXX | 0.77 | Nolan Ryan | 47 | ANA |
| XXXXX | 0.76 | Pat Dobson | 34.3 | NYA |
| XXXXX | 0.73 | Dave Hamilton | 14 | OAK |
| XXXXX | 0.69 | John Montefusco | 29.7 | SFN |
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