| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gaylord Perry | CLE | 6.24 | 197505041_BAL_CLE |
| Tom Seaver | NYN | 6.21 | 197505060_PIT_NYN |
| Ken Holtzman | OAK | 4.84 | 197505060_ANA_OAK |
| Don Sutton | LAN | 4.81 | 197505060_HOU_LAN |
| Jim Palmer | BAL | 4.33 | 197505050_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bibby | TEX | -1.95 | 197505060_TEX_KCA |
| Doug Konieczny | HOU | -1.74 | 197505060_HOU_LAN |
| Joe Coleman | DET | -1.74 | 197505060_MIL_DET |
| Dick Bosman | CLE | -1.45 | 197505060_BOS_CLE |
| John D'Acquisto | SFN | -1.23 | 197505042_HOU_SFN |
Based on accumulated WAA for this season up to 1975-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.69 | Don Sutton | 63.7 | LAN |
| +002+ | 2.48 | Woodie Fryman | 33.7 | WAS |
| +003+ | 2.12 | Jim Palmer | 49.7 | BAL |
| +004+ | 1.96 | Joe McIntosh | 39.7 | SDN |
| +005+ | 1.96 | Tom Seaver | 48 | NYN |
| +006+ | 1.92 | Vida Blue | 53.3 | OAK |
| +009+ | 1.66 | Don Gullett | 51.7 | CIN |
| +010+ | 1.61 | Mickey Lolich | 32 | DET |
| +013+ | 1.54 | Steve Stone | 30.7 | CHN |
| +014+ | 1.51 | Jim Lonborg | 45.7 | PHI |
| +018+ | 1.45 | Pete Broberg | 46.7 | MIL |
| +019+ | 1.44 | Randy Jones | 41 | SDN |
| +021+ | 1.42 | Ken Holtzman | 52.3 | OAK |
| +025+ | 1.33 | Mike Norris | 16 | OAK |
| +027+ | 1.32 | Pete Falcone | 37 | SFN |
| XXXXX | 1.2 | Andy Messersmith | 58 | LAN |
| XXXXX | 1.12 | Steve Busby | 49 | KCA |
| XXXXX | 1.05 | Steve Hargan | 25.7 | TEX |
| XXXXX | 0.98 | Ken Brett | 22 | PIT |
| XXXXX | 0.94 | Carl Morton | 48.3 | ATL |
| XXXXX | 0.91 | Dave Roberts | 35.7 | HOU |
| XXXXX | 0.88 | Bill Hands | 28.7 | TEX |
| XXXXX | 0.88 | Nolan Ryan | 47 | ANA |
| XXXXX | 0.86 | Rudy May | 32.3 | NYA |
| XXXXX | 0.78 | Doug Rau | 50 | LAN |
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