| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 9.11 | 197505230_ANA_BOS |
| Don Sutton | LAN | 6.66 | 197505250_SLN_LAN |
| Jim Palmer | BAL | 6.55 | 197505250_BAL_KCA |
| Bert Blyleven | MIN | 6.25 | 197505230_MIN_MIL |
| Gaylord Perry | CLE | 3.63 | 197505230_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -3.77 | 197505240_DET_CHA |
| Jim Bibby | TEX | -2 | 197505250_TEX_NYA |
| Joe Coleman | DET | -1.78 | 197505240_DET_CHA |
| Doug Konieczny | HOU | -1.54 | 197505240_WAS_HOU |
| Dick Bosman | OAK | -1.35 | 197505252_OAK_CLE |
Based on accumulated WAA for this season up to 1975-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.16 | Don Sutton | 98.7 | LAN |
| +002+ | 3.41 | Andy Messersmith | 92 | LAN |
| +003+ | 3.34 | Randy Jones | 74 | SDN |
| +004+ | 3.24 | Jim Palmer | 82 | BAL |
| +005+ | 3.12 | Joe McIntosh | 63.7 | SDN |
| +006+ | 3.07 | Jim Lonborg | 73.7 | PHI |
| +009+ | 2.76 | Steve Stone | 44.3 | CHN |
| +011+ | 2.57 | Jim Hughes | 50.3 | MIN |
| +012+ | 2.49 | Steve Busby | 92.3 | KCA |
| +013+ | 2.4 | Nolan Ryan | 79.7 | ANA |
| +016+ | 2.26 | Tom Seaver | 68.7 | NYN |
| +018+ | 2.08 | Bill Hands | 55.7 | TEX |
| +020+ | 1.96 | Dennis Eckersley | 23.3 | CLE |
| +023+ | 1.89 | Jim Barr | 73.7 | SFN |
| +024+ | 1.89 | Don Gullett | 71.3 | CIN |
| +027+ | 1.72 | Jim Kaat | 72 | CHA |
| +028+ | 1.69 | Phil Niekro | 72 | ATL |
| +033+ | 1.58 | Tom Underwood | 56 | PHI |
| +035+ | 1.52 | Frank Tanana | 43.7 | ANA |
| +037+ | 1.47 | Ken Holtzman | 77 | OAK |
| +039+ | 1.45 | Jim Kern | 54.7 | CLE |
| +049+ | 1.28 | Vida Blue | 84.7 | OAK |
| XXXXX | 1.19 | Pete Broberg | 73.7 | MIL |
| XXXXX | 1.17 | Woodie Fryman | 46 | WAS |
| XXXXX | 1.15 | Bert Blyleven | 78.3 | MIN |
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