| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 10.62 | 197506130_PHI_LAN |
| Jim Palmer | BAL | 9.98 | 197506120_BAL_TEX |
| Phil Niekro | ATL | 4.95 | 197506121_CHN_ATL |
| Ken Holtzman | OAK | 3.32 | 197506130_OAK_DET |
| Gaylord Perry | CLE | 2.89 | 197506110_CLE_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -3.52 | 197506110_BOS_CHA |
| Jim Slaton | MIL | -2.94 | 197506110_OAK_MIL |
| Fritz Peterson | CLE | -2.85 | 197506130_CLE_TEX |
| Johnny Odom | ATL | -2.54 | 197506130_PIT_ATL |
| Joe Coleman | DET | -2.41 | 197506130_OAK_DET |
Based on accumulated WAA for this season up to 1975-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.71 | Jim Palmer | 119.3 | BAL |
| +002+ | 4.72 | Don Sutton | 126.7 | LAN |
| +003+ | 4.66 | Andy Messersmith | 136 | LAN |
| +004+ | 4.37 | Jim Lonborg | 107.7 | PHI |
| +005+ | 4.07 | Tom Seaver | 104.7 | NYN |
| +007+ | 3.68 | Don Gullett | 103.3 | CIN |
| +008+ | 3.55 | Randy Jones | 95 | SDN |
| +011+ | 3.05 | Nolan Ryan | 110 | ANA |
| +014+ | 2.94 | Phil Niekro | 107 | ATL |
| +016+ | 2.78 | Gary Nolan | 97.7 | CIN |
| +019+ | 2.72 | Jim Kaat | 114.7 | CHA |
| +021+ | 2.64 | Steve Stone | 56.7 | CHN |
| +026+ | 2.54 | Bill Castro | 53.7 | MIL |
| +027+ | 2.5 | Steve Busby | 118.7 | KCA |
| +031+ | 2.39 | Steve Rogers | 79.3 | WAS |
| +033+ | 2.3 | Rudy May | 78 | NYA |
| +034+ | 2.24 | Joe McIntosh | 84.3 | SDN |
| +036+ | 2.16 | Jim Umbarger | 44 | TEX |
| +039+ | 2.09 | Dennis Eckersley | 48 | CLE |
| +040+ | 2.08 | Bob Forsch | 90.7 | SLN |
| +042+ | 2.04 | Ed Figueroa | 66 | ANA |
| +047+ | 1.8 | Jim Barr | 95.7 | SFN |
| +056+ | 1.58 | Bruce Kison | 83.3 | PIT |
| +060+ | 1.55 | Bill Hands | 64.7 | TEX |
| +061+ | 1.52 | Jerry Reuss | 77.7 | PIT |
_