| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 14.02 | 197507090_LAN_PIT |
| Tom Seaver | NYN | 12.76 | 197507090_NYN_ATL |
| Phil Niekro | ATL | 4.94 | 197507110_WAS_ATL |
| Jerry Reuss | PIT | 2.62 | 197507100_LAN_PIT |
| Bob Forsch | SLN | 2.39 | 197507110_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burt Hooton | LAN | -2.05 | 197507100_LAN_PIT |
| Roric Harrison | CLE | -1.91 | 197507110_CLE_ANA |
| Doug Konieczny | HOU | -1.49 | 197507110_PHI_HOU |
| Bruce Dal Canton | ATL | -1.22 | 197507090_NYN_ATL |
| Ray Corbin | MIN | -1.13 | 197507100_MIN_NYA |
Based on accumulated WAA for this season up to 1975-07-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.94 | Andy Messersmith | 184 | LAN |
| +002+ | 6.89 | Tom Seaver | 156.3 | NYN |
| +004+ | 6.13 | Jim Palmer | 168.7 | BAL |
| +005+ | 5.54 | Randy Jones | 145 | SDN |
| +006+ | 5.53 | Don Sutton | 170 | LAN |
| +010+ | 4.34 | Jerry Reuss | 129 | PIT |
| +011+ | 4.11 | Steve Busby | 170.7 | KCA |
| +012+ | 4.03 | Phil Niekro | 156.7 | ATL |
| +016+ | 3.81 | Jim Hunter | 175.3 | NYA |
| +018+ | 3.68 | Jim Kaat | 157 | CHA |
| +019+ | 3.5 | Ed Figueroa | 110 | ANA |
| +023+ | 3.28 | Bob Forsch | 133.7 | SLN |
| +027+ | 3.05 | Jim Barr | 117 | SFN |
| +037+ | 2.75 | Brent Strom | 52.3 | SDN |
| +046+ | 2.45 | Steve Rogers | 116.3 | WAS |
| +050+ | 2.36 | Gary Nolan | 127.7 | CIN |
| +051+ | 2.34 | Bill Castro | 67.7 | MIL |
| +054+ | 2.3 | Dennis Eckersley | 83.7 | CLE |
| +056+ | 2.26 | Vida Blue | 165.7 | OAK |
| +065+ | 2.04 | Ken Holtzman | 153.3 | OAK |
| +067+ | 1.91 | Tom Underwood | 122.3 | PHI |
| +074+ | 1.78 | Dennis Blair | 103.7 | WAS |
| +084+ | 1.66 | Ken Brett | 61 | PIT |
| +087+ | 1.63 | John Montefusco | 112.7 | SFN |
| +088+ | 1.58 | Steve Stone | 102.3 | CHN |
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