| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 14.55 | 197507251_LAN_CIN |
| Jim Palmer | BAL | 10.64 | 197507271_BAL_MIL |
| Jim Hunter | NYA | 5.82 | 197507271_BOS_NYA |
| Randy Jones | SDN | 4.95 | 197507270_SDN_ATL |
| Jim Barr | SFN | 3.74 | 197507250_SFN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | OAK | -4.04 | 197507272_CHA_OAK |
| J.R. Richard | HOU | -2.17 | 197507270_SFN_HOU |
| Reggie Cleveland | BOS | -1.8 | 197507260_BOS_NYA |
| Fritz Peterson | CLE | -1.72 | 197507272_CLE_DET |
| Ron Schueler | PHI | -1.62 | 197507252_PHI_SLN |
Based on accumulated WAA for this season up to 1975-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.85 | Andy Messersmith | 215 | LAN |
| +003+ | 6.75 | Randy Jones | 176.7 | SDN |
| +004+ | 6.65 | Tom Seaver | 178 | NYN |
| +005+ | 5.97 | Jim Palmer | 191.7 | BAL |
| +009+ | 5.14 | Don Sutton | 190.7 | LAN |
| +010+ | 5.03 | Jim Hunter | 207.7 | NYA |
| +013+ | 4.94 | Jerry Reuss | 145.3 | PIT |
| +015+ | 4.52 | Jim Barr | 144 | SFN |
| +018+ | 4.07 | Ed Figueroa | 136.3 | ANA |
| +021+ | 4 | Phil Niekro | 172 | ATL |
| +022+ | 3.75 | Steve Busby | 190 | KCA |
| +024+ | 3.63 | Vida Blue | 191.7 | OAK |
| +028+ | 3.56 | Steve Rogers | 147.3 | WAS |
| +029+ | 3.49 | Bob Forsch | 149.3 | SLN |
| +034+ | 3.27 | Dennis Eckersley | 105.3 | CLE |
| +035+ | 3.2 | Jim Kaat | 184 | CHA |
| +037+ | 3.18 | John Montefusco | 143 | SFN |
| +042+ | 2.99 | Frank Tanana | 143.3 | ANA |
| +046+ | 2.83 | Ken Brett | 81.7 | PIT |
| +055+ | 2.44 | Bert Blyleven | 155 | MIN |
| +072+ | 2.02 | Bill Castro | 71.3 | MIL |
| +084+ | 1.77 | Gary Nolan | 144.7 | CIN |
| +089+ | 1.69 | Woodie Fryman | 115.7 | WAS |
| +092+ | 1.66 | Bruce Kison | 126.7 | PIT |
| +095+ | 1.55 | Brent Strom | 68 | SDN |
_