| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 8.78 | 197505260_LAN_NYN |
| Jim Palmer | BAL | 6.55 | 197505250_BAL_KCA |
| Tom Seaver | NYN | 6.44 | 197505260_LAN_NYN |
| Ken Holtzman | OAK | 3.95 | 197505260_BAL_OAK |
| Jim Barr | SFN | 1.86 | 197505240_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -3.77 | 197505240_DET_CHA |
| Fritz Peterson | CLE | -2.53 | 197505260_CLE_ANA |
| Jim Bibby | TEX | -2 | 197505250_TEX_NYA |
| Joe Coleman | DET | -1.78 | 197505240_DET_CHA |
| J.R. Richard | HOU | -1.63 | 197505260_HOU_PIT |
Based on accumulated WAA for this season up to 1975-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.2 | Don Sutton | 98.7 | LAN |
| +002+ | 3.36 | Randy Jones | 74 | SDN |
| +003+ | 3.23 | Jim Palmer | 82 | BAL |
| +004+ | 3.06 | Jim Lonborg | 73.7 | PHI |
| +007+ | 2.87 | Andy Messersmith | 100.3 | LAN |
| +008+ | 2.77 | Steve Stone | 44.3 | CHN |
| +010+ | 2.69 | Joe McIntosh | 68.3 | SDN |
| +011+ | 2.59 | Jim Hughes | 50.3 | MIN |
| +012+ | 2.48 | Steve Busby | 92.3 | KCA |
| +013+ | 2.43 | Nolan Ryan | 79.7 | ANA |
| +014+ | 2.41 | Tom Seaver | 77.7 | NYN |
| +019+ | 2.09 | Bill Hands | 55.7 | TEX |
| +021+ | 2.01 | Jim Kaat | 80.3 | CHA |
| +022+ | 1.97 | Dennis Eckersley | 23.3 | CLE |
| +023+ | 1.88 | Jim Barr | 73.7 | SFN |
| +028+ | 1.73 | Phil Niekro | 72 | ATL |
| +029+ | 1.69 | Don Gullett | 76.3 | CIN |
| +034+ | 1.57 | Tom Underwood | 56 | PHI |
| +039+ | 1.47 | Woodie Fryman | 54 | WAS |
| +040+ | 1.46 | Jim Kern | 54.7 | CLE |
| +045+ | 1.35 | Bruce Kison | 59.3 | PIT |
| +051+ | 1.26 | Vida Blue | 84.7 | OAK |
| XXXXX | 1.21 | Pete Broberg | 73.7 | MIL |
| XXXXX | 1.19 | Bert Blyleven | 78.3 | MIN |
| XXXXX | 1.16 | Gary Nolan | 67.3 | CIN |
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