| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 9.98 | 197506120_BAL_TEX |
| Nolan Ryan | ANA | 8.27 | 197506100_ANA_NYA |
| Tom Seaver | NYN | 7.18 | 197506100_NYN_SFN |
| Don Sutton | LAN | 6.79 | 197506120_NYN_LAN |
| Phil Niekro | ATL | 4.95 | 197506121_CHN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -3.52 | 197506110_BOS_CHA |
| Jim Slaton | MIL | -2.94 | 197506110_OAK_MIL |
| Jim Bibby | TEX | -1.85 | 197506120_BAL_TEX |
| Burt Hooton | LAN | -1.65 | 197506100_WAS_LAN |
| Dick Bosman | OAK | -1.3 | 197506110_OAK_MIL |
Based on accumulated WAA for this season up to 1975-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.64 | Jim Palmer | 119.3 | BAL |
| +002+ | 4.99 | Andy Messersmith | 128 | LAN |
| +003+ | 4.67 | Don Sutton | 126.7 | LAN |
| +004+ | 4.03 | Tom Seaver | 104.7 | NYN |
| +005+ | 3.78 | Jim Lonborg | 98.7 | PHI |
| +006+ | 3.64 | Don Gullett | 103.3 | CIN |
| +008+ | 3.51 | Randy Jones | 95 | SDN |
| +010+ | 2.99 | Nolan Ryan | 110 | ANA |
| +012+ | 2.91 | Phil Niekro | 107 | ATL |
| +016+ | 2.75 | Gary Nolan | 97.7 | CIN |
| +017+ | 2.69 | Joe McIntosh | 82.7 | SDN |
| +019+ | 2.65 | Jim Kaat | 114.7 | CHA |
| +020+ | 2.62 | Steve Stone | 56.7 | CHN |
| +026+ | 2.52 | Bill Castro | 53.7 | MIL |
| +028+ | 2.46 | Steve Busby | 118.7 | KCA |
| +031+ | 2.36 | Steve Rogers | 79.3 | WAS |
| +033+ | 2.27 | Rudy May | 78 | NYA |
| +038+ | 2.07 | Dennis Eckersley | 48 | CLE |
| +039+ | 2.04 | Bob Forsch | 90.7 | SLN |
| +040+ | 2 | Ed Figueroa | 66 | ANA |
| +047+ | 1.76 | Jim Barr | 95.7 | SFN |
| +056+ | 1.63 | Ken Holtzman | 101.7 | OAK |
| +059+ | 1.55 | Bruce Kison | 83.3 | PIT |
| +061+ | 1.52 | Bill Hands | 64.7 | TEX |
| +063+ | 1.49 | Steve Carlton | 94 | PHI |
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