| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 10.62 | 197506130_PHI_LAN |
| Jim Palmer | BAL | 9.98 | 197506120_BAL_TEX |
| Nolan Ryan | ANA | 7.03 | 197506140_ANA_MIL |
| Phil Niekro | ATL | 4.95 | 197506121_CHN_ATL |
| Ken Holtzman | OAK | 3.32 | 197506130_OAK_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roric Harrison | CLE | -3.25 | 197506140_CLE_TEX |
| Johnny Odom | ATL | -2.54 | 197506130_PIT_ATL |
| Joe Coleman | DET | -2.41 | 197506130_OAK_DET |
| Jim Bibby | TEX | -1.85 | 197506120_BAL_TEX |
| Tom Griffin | HOU | -1.64 | 197506140_HOU_SLN |
Based on accumulated WAA for this season up to 1975-06-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.69 | Jim Palmer | 119.3 | BAL |
| +002+ | 4.69 | Don Sutton | 126.7 | LAN |
| +003+ | 4.63 | Andy Messersmith | 136 | LAN |
| +004+ | 4.37 | Jim Lonborg | 107.7 | PHI |
| +005+ | 4.28 | Randy Jones | 104 | SDN |
| +007+ | 4.06 | Tom Seaver | 104.7 | NYN |
| +008+ | 3.66 | Don Gullett | 103.3 | CIN |
| +013+ | 3.09 | Nolan Ryan | 118 | ANA |
| +015+ | 2.92 | Phil Niekro | 107 | ATL |
| +018+ | 2.76 | Gary Nolan | 97.7 | CIN |
| +019+ | 2.7 | Jim Kaat | 114.7 | CHA |
| +026+ | 2.53 | Bill Castro | 53.7 | MIL |
| +027+ | 2.47 | Steve Busby | 118.7 | KCA |
| +030+ | 2.37 | Steve Rogers | 79.3 | WAS |
| +032+ | 2.28 | Rudy May | 78 | NYA |
| +034+ | 2.22 | Joe McIntosh | 84.3 | SDN |
| +036+ | 2.15 | Jim Umbarger | 44 | TEX |
| +038+ | 2.09 | Dennis Eckersley | 48 | CLE |
| +039+ | 2.07 | Steve Stone | 62.3 | CHN |
| +040+ | 2.06 | Bob Forsch | 90.7 | SLN |
| +041+ | 2.03 | Ed Figueroa | 66 | ANA |
| +043+ | 1.97 | Jerry Reuss | 85.7 | PIT |
| +044+ | 1.96 | Woodie Fryman | 77 | WAS |
| +050+ | 1.78 | Jim Barr | 95.7 | SFN |
| +060+ | 1.57 | Bruce Kison | 83.3 | PIT |
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