| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 6.76 | 197106302_CHA_MIL |
| Jim Palmer | BAL | 6.33 | 197107010_BAL_CLE |
| Larry Dierker | HOU | 5.43 | 197107020_CIN_HOU |
| Mel Stottlemyre | NYA | 4.99 | 197106300_NYA_TEX |
| Sam McDowell | CLE | 4.98 | 197107010_BAL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -3.34 | 197106300_BOS_DET |
| Jim Bunning | PHI | -2.98 | 197107010_CIN_PHI |
| Mike Kekich | NYA | -2.43 | 197107010_NYA_TEX |
| Joe Horlen | CHA | -1.34 | 197107010_CHA_MIL |
| Steve Hargan | CLE | -1.26 | 197106302_BAL_CLE |
Based on accumulated WAA for this season up to 1971-07-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.28 | Vida Blue | 164.3 | OAK |
| +005+ | 4.59 | Wilbur Wood | 123 | CHA |
| +006+ | 4.42 | Tom Seaver | 137.3 | NYN |
| +010+ | 4.04 | Dock Ellis | 129.7 | PIT |
| +011+ | 3.94 | Larry Dierker | 137 | HOU |
| +017+ | 3.4 | Bill Parsons | 122.3 | MIL |
| +018+ | 3.26 | Al Downing | 129 | LAN |
| +021+ | 3.06 | Tom Bradley | 140.3 | CHA |
| +022+ | 3.02 | Dave Roberts | 122 | SDN |
| +027+ | 2.94 | Nolan Ryan | 92.3 | NYN |
| +031+ | 2.77 | Jim Palmer | 148.3 | BAL |
| +033+ | 2.7 | Juan Marichal | 140.3 | SFN |
| +034+ | 2.67 | Ray Lamb | 90.7 | CLE |
| +035+ | 2.66 | Mel Stottlemyre | 140.3 | NYA |
| +041+ | 2.52 | Sam McDowell | 132 | CLE |
| +045+ | 2.38 | Ron Bryant | 110.3 | SFN |
| +050+ | 2.17 | Don Sutton | 131 | LAN |
| +054+ | 2.1 | Don Gullett | 102.3 | CIN |
| +055+ | 2.06 | Stan Bahnsen | 122.7 | NYA |
| +056+ | 2.04 | Gary Nolan | 132.3 | CIN |
| +058+ | 2.01 | Ken Forsch | 66.3 | HOU |
| +059+ | 1.99 | Sonny Siebert | 130 | BOS |
| +065+ | 1.9 | Rick Wise | 130.3 | PHI |
| +066+ | 1.9 | Gary Gentry | 108.3 | NYN |
| +069+ | 1.88 | Mickey Lolich | 188.7 | DET |
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