| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.17 | 197506040_TEX_BAL |
| Andy Messersmith | LAN | 8.1 | 197506040_LAN_WAS |
| Bert Blyleven | MIN | 4.56 | 197506040_NYA_MIN |
| Bill Lee | BOS | 2.83 | 197506020_CHA_BOS |
| Ken Holtzman | OAK | 2.5 | 197506040_MIL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Bahnsen | CHA | -4.09 | 197506020_CHA_BOS |
| Johnny Odom | CLE | -3.27 | 197506040_KCA_CLE |
| Jim Bibby | TEX | -2.42 | 197506040_TEX_BAL |
| Joe Coleman | DET | -2.35 | 197506030_DET_ANA |
| Pete Broberg | MIL | -0.98 | 197506040_MIL_OAK |
Based on accumulated WAA for this season up to 1975-06-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.54 | Don Sutton | 113.7 | LAN |
| +002+ | 4.48 | Jim Palmer | 101.3 | BAL |
| +003+ | 4.14 | Andy Messersmith | 119 | LAN |
| +004+ | 3.22 | Randy Jones | 86 | SDN |
| +005+ | 3.16 | Jim Lonborg | 89.7 | PHI |
| +008+ | 2.85 | Steve Stone | 45.3 | CHN |
| +011+ | 2.78 | Tom Seaver | 86.7 | NYN |
| +016+ | 2.55 | Nolan Ryan | 95.7 | ANA |
| +017+ | 2.54 | Dennis Eckersley | 32.3 | CLE |
| +018+ | 2.54 | Phil Niekro | 90 | ATL |
| +019+ | 2.52 | Don Gullett | 85.3 | CIN |
| +021+ | 2.39 | Joe McIntosh | 73.7 | SDN |
| +024+ | 2.19 | Jim Barr | 81.7 | SFN |
| +027+ | 2.04 | Jim Kaat | 96.7 | CHA |
| +033+ | 1.89 | Tom Underwood | 69.7 | PHI |
| +034+ | 1.85 | Woodie Fryman | 63 | WAS |
| +038+ | 1.72 | Vida Blue | 102 | OAK |
| +041+ | 1.66 | Gary Nolan | 82.7 | CIN |
| +044+ | 1.63 | Jim Hughes | 61 | MIN |
| +055+ | 1.46 | Steve Rogers | 63.3 | WAS |
| +058+ | 1.41 | Jim Hunter | 105 | NYA |
| +061+ | 1.37 | Bill Hands | 62 | TEX |
| +063+ | 1.36 | Alan Foster | 41.3 | SDN |
| +065+ | 1.35 | Steve Busby | 100.7 | KCA |
| +068+ | 1.3 | Bruce Kison | 68.3 | PIT |
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