| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.52 | 197107040_ATL_NYN |
| Vida Blue | OAK | 8.75 | 197107040_OAK_ANA |
| Wilbur Wood | CHA | 7.45 | 197107040_CHA_KCA |
| Larry Dierker | HOU | 5.43 | 197107020_CIN_HOU |
| Ferguson Jenkins | CHN | 3.54 | 197107020_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Nash | ATL | -4.39 | 197107030_ATL_NYN |
| Jerry Reuss | SLN | -4.01 | 197107040_SLN_SDN |
| Tom Murphy | ANA | -4 | 197107040_OAK_ANA |
| Ernie McAnally | WAS | -2.07 | 197107040_PHI_WAS |
| Chris Short | PHI | -1.18 | 197107040_PHI_WAS |
Based on accumulated WAA for this season up to 1971-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.78 | Vida Blue | 173.3 | OAK |
| +004+ | 5.31 | Wilbur Wood | 132 | CHA |
| +006+ | 4.47 | Tom Seaver | 143.3 | NYN |
| +011+ | 4.05 | Dock Ellis | 129.7 | PIT |
| +012+ | 3.99 | Al Downing | 138 | LAN |
| +013+ | 3.87 | Larry Dierker | 137 | HOU |
| +017+ | 3.53 | Dave Roberts | 131 | SDN |
| +018+ | 3.38 | Bill Parsons | 122.3 | MIL |
| +025+ | 3.05 | Tom Bradley | 140.3 | CHA |
| +028+ | 2.93 | Nolan Ryan | 92.3 | NYN |
| +032+ | 2.76 | Jim Palmer | 148.3 | BAL |
| +036+ | 2.66 | Mel Stottlemyre | 140.3 | NYA |
| +037+ | 2.66 | Ray Lamb | 90.7 | CLE |
| +038+ | 2.62 | Juan Marichal | 147.3 | SFN |
| +041+ | 2.55 | Don Gullett | 108.3 | CIN |
| +043+ | 2.5 | Sam McDowell | 132 | CLE |
| +044+ | 2.48 | Ken Forsch | 75.3 | HOU |
| +047+ | 2.37 | Ron Bryant | 110.3 | SFN |
| +048+ | 2.34 | John Cumberland | 60.3 | SFN |
| +050+ | 2.21 | Mike Hedlund | 110.3 | KCA |
| +056+ | 2.15 | Don Sutton | 131 | LAN |
| +061+ | 2.06 | Stan Bahnsen | 122.7 | NYA |
| +064+ | 1.99 | Gary Nolan | 132.3 | CIN |
| +066+ | 1.97 | Sonny Siebert | 130 | BOS |
| +067+ | 1.96 | Mike Cuellar | 156.7 | BAL |
_