| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Messersmith | LAN | 14.32 | 197508210_LAN_CHN |
| Jim Palmer | BAL | 10.02 | 197508210_BAL_TEX |
| Randy Jones | SDN | 8.49 | 197508200_SDN_WAS |
| Jim Barr | SFN | 3.89 | 197508190_SFN_PIT |
| Jerry Reuss | PIT | 3.8 | 197508190_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Broberg | MIL | -1.81 | 197508210_OAK_MIL |
| Bill Bonham | CHN | -0.96 | 197508190_LAN_CHN |
| Jackie Brown | CLE | -0.8 | 197508210_CLE_KCA |
| Dave Roberts | HOU | -0.73 | 197508200_NYN_HOU |
| Jim Umbarger | TEX | -0.31 | 197508190_TEX_CLE |
Based on accumulated WAA for this season up to 1975-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.45 | Andy Messersmith | 262.3 | LAN |
| +002+ | 8.4 | Jim Palmer | 245 | BAL |
| +003+ | 7.94 | Tom Seaver | 219.3 | NYN |
| +004+ | 7.79 | Randy Jones | 214.7 | SDN |
| +009+ | 5.81 | Jerry Reuss | 183.3 | PIT |
| +010+ | 5.78 | Don Sutton | 226.3 | LAN |
| +015+ | 5.15 | Jim Hunter | 249 | NYA |
| +017+ | 4.86 | Steve Busby | 219 | KCA |
| +018+ | 4.63 | Jim Barr | 185.7 | SFN |
| +020+ | 4.53 | Don Gullett | 117 | CIN |
| +019+ | 4.53 | Frank Tanana | 180.3 | ANA |
| +026+ | 4.14 | Ed Figueroa | 173.3 | ANA |
| +030+ | 3.9 | Bob Forsch | 182.7 | SLN |
| +031+ | 3.86 | Jim Kaat | 239.7 | CHA |
| +033+ | 3.84 | Bert Blyleven | 206.3 | MIN |
| +042+ | 3.38 | Dennis Eckersley | 137.7 | CLE |
| +048+ | 3.22 | Steve Rogers | 189.7 | WAS |
| +052+ | 3.04 | Phil Niekro | 214.7 | ATL |
| +056+ | 2.86 | Vida Blue | 220.3 | OAK |
| +062+ | 2.74 | Gaylord Perry | 243.3 | TOT |
| +063+ | 2.73 | Gary Nolan | 167.3 | CIN |
| +064+ | 2.66 | Ron Reed | 197.7 | TOT |
| +073+ | 2.38 | Rick Reuschel | 195.7 | CHN |
| +074+ | 2.37 | Rudy May | 164.3 | NYA |
| +085+ | 2.14 | Ken Holtzman | 214.3 | OAK |
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