| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 13.12 | 197508110_LAN_PHI |
| Tom Seaver | NYN | 10.46 | 197508120_SDN_NYN |
| Randy Jones | SDN | 8.86 | 197508110_SDN_NYN |
| Steve Busby | KCA | 3.23 | 197508110_KCA_BAL |
| Vida Blue | OAK | 3.17 | 197508110_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Odom | ATL | -4.43 | 197508100_CHN_ATL |
| J.R. Richard | HOU | -1.56 | 197508100_PIT_HOU |
| Bill Butler | MIN | -1.55 | 197508110_MIL_MIN |
| Bill Bonham | CHN | -1.25 | 197508100_CHN_ATL |
| Fritz Peterson | CLE | -0.95 | 197508120_CLE_CHA |
Based on accumulated WAA for this season up to 1975-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9 | Andy Messersmith | 248 | LAN |
| +002+ | 7.47 | Randy Jones | 200.7 | SDN |
| +003+ | 7.41 | Tom Seaver | 212 | NYN |
| +006+ | 6.63 | Don Sutton | 215.7 | LAN |
| +008+ | 6.22 | Jim Palmer | 215 | BAL |
| +012+ | 5.59 | Jerry Reuss | 168.3 | PIT |
| +016+ | 4.84 | Jim Hunter | 232 | NYA |
| +017+ | 4.72 | Ed Figueroa | 158.7 | ANA |
| +018+ | 4.71 | Steve Busby | 216 | KCA |
| +020+ | 4.37 | Jim Barr | 169.7 | SFN |
| +022+ | 4.17 | Phil Niekro | 202 | ATL |
| +024+ | 4.07 | Vida Blue | 213.3 | OAK |
| +027+ | 3.94 | Dennis Eckersley | 126.3 | CLE |
| +032+ | 3.75 | Jim Kaat | 216 | CHA |
| +033+ | 3.73 | Frank Tanana | 159.3 | ANA |
| +034+ | 3.65 | Bert Blyleven | 188.3 | MIN |
| +039+ | 3.42 | Bob Forsch | 168.7 | SLN |
| +045+ | 3.15 | Mike Torrez | 196.3 | BAL |
| +058+ | 2.68 | Rudy May | 150 | NYA |
| +059+ | 2.66 | Steve Rogers | 171.7 | WAS |
| +065+ | 2.45 | Carl Morton | 206.3 | ATL |
| +070+ | 2.32 | Woodie Fryman | 124 | WAS |
| +078+ | 2.14 | Gary Nolan | 152.3 | CIN |
| +084+ | 2 | Larry Demery | 78.7 | PIT |
| +085+ | 2 | Ken Brett | 90.7 | PIT |
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