| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nolan Ryan | ANA | 9.11 | 197505230_ANA_BOS |
| Andy Messersmith | LAN | 7.55 | 197505210_CHN_LAN |
| Tom Seaver | NYN | 6.84 | 197505210_NYN_CIN |
| Bert Blyleven | MIN | 6.25 | 197505230_MIN_MIL |
| Jim Palmer | BAL | 6.06 | 197505210_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burt Hooton | LAN | -2.14 | 197505220_CHN_LAN |
| Lerrin LaGrow | DET | -1.43 | 197505230_DET_CHA |
| Larry Christenson | PHI | -0.76 | 197505230_PHI_CIN |
| Wilbur Wood | CHA | -0.52 | 197505230_DET_CHA |
| Sonny Siebert | OAK | -0.52 | 197505230_OAK_CLE |
Based on accumulated WAA for this season up to 1975-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.85 | Don Sutton | 90.7 | LAN |
| +002+ | 3.34 | Jim Palmer | 76.7 | BAL |
| +003+ | 3.33 | Andy Messersmith | 92 | LAN |
| +004+ | 3.1 | Joe McIntosh | 63.7 | SDN |
| +008+ | 2.71 | Steve Stone | 44.3 | CHN |
| +009+ | 2.65 | Jim Lonborg | 66.7 | PHI |
| +010+ | 2.58 | Randy Jones | 65 | SDN |
| +012+ | 2.32 | Nolan Ryan | 79.7 | ANA |
| +014+ | 2.2 | Jim Hughes | 41.3 | MIN |
| +015+ | 2.19 | Tom Seaver | 68.7 | NYN |
| +016+ | 2.09 | Vida Blue | 82.7 | OAK |
| +017+ | 2.01 | Bill Hands | 55.7 | TEX |
| +018+ | 1.99 | Jim Kern | 49 | CLE |
| +022+ | 1.88 | Steve Busby | 83.3 | KCA |
| +023+ | 1.86 | Don Gullett | 71.3 | CIN |
| +025+ | 1.72 | Jim Barr | 64.7 | SFN |
| +028+ | 1.64 | Phil Niekro | 72 | ATL |
| +029+ | 1.64 | Jim Kaat | 72 | CHA |
| +030+ | 1.55 | Tom Underwood | 56 | PHI |
| +032+ | 1.48 | Frank Tanana | 43.7 | ANA |
| +039+ | 1.4 | Ken Holtzman | 77 | OAK |
| +042+ | 1.34 | Mike Norris | 16 | OAK |
| XXXXX | 1.17 | Woodie Fryman | 46 | WAS |
| XXXXX | 1.11 | Gary Nolan | 67.3 | CIN |
| XXXXX | 1.11 | Pat Dobson | 60.7 | NYA |
_