| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 8.01 | 197505280_CLE_ANA |
| Don Sutton | LAN | 7.45 | 197505300_LAN_CHN |
| Jim Palmer | BAL | 6.48 | 197505300_BAL_ANA |
| Jon Matlack | NYN | 2.59 | 197505280_LAN_NYN |
| Bill Lee | BOS | 2.01 | 197505280_BOS_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -4.59 | 197505280_CHA_MIL |
| Joe Coleman | DET | -2.73 | 197505280_MIN_DET |
| Jim Bibby | TEX | -2.39 | 197505300_NYA_TEX |
| Jim Slaton | MIL | -1.87 | 197505280_CHA_MIL |
| Dick Bosman | OAK | -1.42 | 197505300_CLE_OAK |
Based on accumulated WAA for this season up to 1975-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.6 | Don Sutton | 105.7 | LAN |
| +002+ | 4.02 | Jim Palmer | 91 | BAL |
| +003+ | 3.53 | Randy Jones | 81 | SDN |
| +005+ | 3.12 | Andy Messersmith | 103 | LAN |
| +006+ | 2.93 | Jim Hughes | 59.3 | MIN |
| +008+ | 2.85 | Steve Stone | 45.3 | CHN |
| +011+ | 2.7 | Joe McIntosh | 68.3 | SDN |
| +013+ | 2.58 | Jim Lonborg | 80.7 | PHI |
| +016+ | 2.48 | Steve Busby | 92.3 | KCA |
| +017+ | 2.4 | Tom Seaver | 77.7 | NYN |
| +019+ | 2.23 | Tom Underwood | 64 | PHI |
| +021+ | 2.1 | Phil Niekro | 81 | ATL |
| +022+ | 2.1 | Bill Hands | 55.7 | TEX |
| +023+ | 2.04 | Jim Kaat | 80.3 | CHA |
| +024+ | 2.02 | Vida Blue | 93.7 | OAK |
| +025+ | 1.97 | Dennis Eckersley | 23.3 | CLE |
| +027+ | 1.92 | Gary Nolan | 76.3 | CIN |
| +029+ | 1.89 | Jim Barr | 73.7 | SFN |
| +031+ | 1.75 | Nolan Ryan | 86.7 | ANA |
| +033+ | 1.71 | Don Gullett | 76.3 | CIN |
| +045+ | 1.48 | Woodie Fryman | 54 | WAS |
| +047+ | 1.46 | John Montefusco | 58.3 | SFN |
| +052+ | 1.35 | Bruce Kison | 59.3 | PIT |
| +058+ | 1.3 | Gaylord Perry | 97.3 | CLE |
| XXXXX | 1.21 | Pete Broberg | 73.7 | MIL |
_