| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bert Blyleven | MIN | 7.63 | 197505150_CLE_MIN |
| Andy Messersmith | LAN | 6.73 | 197505170_PIT_LAN |
| Tom Seaver | NYN | 6.61 | 197505160_NYN_HOU |
| Jim Palmer | BAL | 5.03 | 197505161_ANA_BAL |
| Ken Holtzman | OAK | 4.62 | 197505170_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fritz Peterson | CLE | -2.3 | 197505170_CLE_CHA |
| J.R. Richard | HOU | -2.06 | 197505150_HOU_CHN |
| Rick Reuschel | CHN | -1.11 | 197505150_HOU_CHN |
| Clay Kirby | CIN | -0.86 | 197505152_CIN_PHI |
| Mickey Lolich | DET | -0.86 | 197505160_DET_TEX |
Based on accumulated WAA for this season up to 1975-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.54 | Don Sutton | 81.7 | LAN |
| +002+ | 2.97 | Jim Palmer | 67.7 | BAL |
| +003+ | 2.9 | Vida Blue | 78 | OAK |
| +004+ | 2.68 | Steve Stone | 44.3 | CHN |
| +006+ | 2.6 | Andy Messersmith | 83 | LAN |
| +007+ | 2.45 | Jim Lonborg | 59.7 | PHI |
| +008+ | 2.42 | Tom Seaver | 64 | NYN |
| +009+ | 2.38 | Joe McIntosh | 54.7 | SDN |
| +010+ | 2.36 | Nolan Ryan | 65 | ANA |
| +011+ | 2.3 | Don Gullett | 66.3 | CIN |
| +012+ | 2.29 | Ken Holtzman | 70.7 | OAK |
| +014+ | 2.25 | Steve Busby | 75.3 | KCA |
| +017+ | 1.88 | Woodie Fryman | 44.7 | WAS |
| +018+ | 1.81 | Jim Kern | 41.7 | CLE |
| +019+ | 1.78 | Randy Jones | 55 | SDN |
| +023+ | 1.69 | Pete Broberg | 62.3 | MIL |
| +027+ | 1.48 | Jim Hughes | 32.3 | MIN |
| +028+ | 1.47 | Jerry Reuss | 43.7 | PIT |
| +033+ | 1.39 | Jim Kaat | 66.3 | CHA |
| +035+ | 1.33 | Mike Norris | 16 | OAK |
| +037+ | 1.3 | Bill Hands | 46.7 | TEX |
| +038+ | 1.26 | Steve Hargan | 43.7 | TEX |
| XXXXX | 1.23 | Frank Tanana | 35.7 | ANA |
| XXXXX | 1.1 | Phil Niekro | 63 | ATL |
| XXXXX | 0.97 | Tom Underwood | 47 | PHI |
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