| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.01 | 197505010_BAL_NYA |
| Gaylord Perry | CLE | 7.37 | 197504300_CLE_BOS |
| Don Sutton | LAN | 3.93 | 197505020_SDN_LAN |
| Jon Matlack | NYN | 3.72 | 197504300_NYN_CHN |
| Luis Tiant | BOS | 3.23 | 197504300_CLE_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -6.73 | 197504300_CHA_TEX |
| Jim Bibby | TEX | -3.31 | 197504300_CHA_TEX |
| Doug Konieczny | HOU | -2.04 | 197505020_HOU_SFN |
| Mike Torrez | BAL | -1.91 | 197504300_BAL_NYA |
| Jim Slaton | MIL | -1.91 | 197504300_DET_MIL |
Based on accumulated WAA for this season up to 1975-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.22 | Don Sutton | 54.7 | LAN |
| +003+ | 1.85 | Vida Blue | 53.3 | OAK |
| +005+ | 1.69 | Pete Broberg | 42.7 | MIL |
| +004+ | 1.69 | Woodie Fryman | 24.7 | WAS |
| +006+ | 1.64 | Tom Seaver | 40 | NYN |
| +007+ | 1.57 | Mickey Lolich | 32 | DET |
| +009+ | 1.56 | Jim Palmer | 40.7 | BAL |
| +011+ | 1.55 | Joe McIntosh | 31.7 | SDN |
| +012+ | 1.49 | Steve Stone | 30.7 | CHN |
| +014+ | 1.46 | Don Gullett | 44.7 | CIN |
| +015+ | 1.45 | Jim Lonborg | 37.7 | PHI |
| +016+ | 1.39 | Ken Holtzman | 40 | OAK |
| +017+ | 1.35 | Randy Jones | 37 | SDN |
| +019+ | 1.31 | Mike Norris | 16 | OAK |
| +021+ | 1.3 | Dave Roberts | 31 | HOU |
| XXXXX | 1.2 | Gaylord Perry | 51.3 | CLE |
| XXXXX | 1.04 | Jim Rooker | 18 | PIT |
| XXXXX | 1.03 | Steve Busby | 49 | KCA |
| XXXXX | 1.01 | Steve Hargan | 25.7 | TEX |
| XXXXX | 0.87 | Carl Morton | 48.3 | ATL |
| XXXXX | 0.79 | Roric Harrison | 19.7 | ATL |
| XXXXX | 0.77 | Rudy May | 27 | NYA |
| XXXXX | 0.75 | Pat Dobson | 34.3 | NYA |
| XXXXX | 0.73 | Dave Hamilton | 14 | OAK |
| XXXXX | 0.72 | Andy Messersmith | 49 | LAN |
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