| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.17 | 197506040_TEX_BAL |
| Andy Messersmith | LAN | 8.1 | 197506040_LAN_WAS |
| Tom Seaver | NYN | 7.01 | 197506050_HOU_NYN |
| Bert Blyleven | MIN | 4.56 | 197506040_NYA_MIN |
| Jim Hunter | NYA | 3.58 | 197506050_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Odom | CLE | -3.27 | 197506040_KCA_CLE |
| Jim Bibby | TEX | -2.42 | 197506040_TEX_BAL |
| Joe Coleman | DET | -2.35 | 197506030_DET_ANA |
| Tom Griffin | HOU | -2.28 | 197506050_HOU_NYN |
| Lloyd Allen | CHA | -1.54 | 197506030_CHA_BOS |
Based on accumulated WAA for this season up to 1975-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.57 | Don Sutton | 113.7 | LAN |
| +002+ | 4.51 | Jim Palmer | 101.3 | BAL |
| +003+ | 4.17 | Andy Messersmith | 119 | LAN |
| +004+ | 3.36 | Tom Seaver | 95.7 | NYN |
| +005+ | 3.24 | Randy Jones | 86 | SDN |
| +006+ | 3.19 | Jim Lonborg | 89.7 | PHI |
| +015+ | 2.58 | Nolan Ryan | 95.7 | ANA |
| +016+ | 2.57 | Phil Niekro | 90 | ATL |
| +017+ | 2.54 | Don Gullett | 85.3 | CIN |
| +018+ | 2.54 | Dennis Eckersley | 32.3 | CLE |
| +019+ | 2.48 | Steve Stone | 50.7 | CHN |
| +021+ | 2.41 | Joe McIntosh | 73.7 | SDN |
| +025+ | 2.23 | Jim Barr | 81.7 | SFN |
| +029+ | 2.06 | Jim Kaat | 96.7 | CHA |
| +034+ | 1.91 | Tom Underwood | 69.7 | PHI |
| +036+ | 1.87 | Woodie Fryman | 63 | WAS |
| +039+ | 1.74 | Vida Blue | 102 | OAK |
| +041+ | 1.69 | Gary Nolan | 82.7 | CIN |
| +054+ | 1.48 | Steve Rogers | 63.3 | WAS |
| +058+ | 1.39 | Bill Hands | 62 | TEX |
| +060+ | 1.38 | Alan Foster | 41.3 | SDN |
| +061+ | 1.37 | Jim Hunter | 114 | NYA |
| +064+ | 1.36 | Steve Busby | 100.7 | KCA |
| +066+ | 1.32 | Bruce Kison | 68.3 | PIT |
| +068+ | 1.28 | Jim Crawford | 29.3 | HOU |
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