| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Wood | CHA | 8.3 | 197107181_CHA_NYA |
| Tom Seaver | NYN | 7.39 | 197107170_NYN_HOU |
| Jim Palmer | BAL | 6.04 | 197107170_BAL_ANA |
| Dock Ellis | PIT | 4.2 | 197107170_SDN_PIT |
| Larry Dierker | HOU | 4.1 | 197107170_NYN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -5 | 197107180_MIL_BOS |
| Jim Nash | ATL | -4.89 | 197107181_SFN_ATL |
| Jim Bunning | PHI | -3.66 | 197107182_PHI_HOU |
| Tom Murphy | ANA | -3.13 | 197107170_BAL_ANA |
| Ernie McAnally | WAS | -1.7 | 197107170_WAS_SLN |
Based on accumulated WAA for this season up to 1971-07-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.21 | Vida Blue | 193.3 | OAK |
| +004+ | 5.53 | Wilbur Wood | 162.7 | CHA |
| +009+ | 4.68 | Dave Roberts | 148.3 | SDN |
| +010+ | 4.58 | Dock Ellis | 145.7 | PIT |
| +013+ | 4.12 | Al Downing | 160 | LAN |
| +016+ | 4.06 | Tom Seaver | 155.3 | NYN |
| +020+ | 3.8 | Bill Parsons | 144.3 | MIL |
| +024+ | 3.54 | Larry Dierker | 145.7 | HOU |
| +033+ | 3.19 | Jim Palmer | 161.3 | BAL |
| +036+ | 3.06 | Ferguson Jenkins | 183.7 | CHN |
| +041+ | 2.81 | Eddie Fisher | 77 | ANA |
| +044+ | 2.63 | Tommy John | 150.3 | CHA |
| +046+ | 2.6 | Nolan Ryan | 105.7 | NYN |
| +047+ | 2.57 | Sam McDowell | 153 | CLE |
| +048+ | 2.54 | Don Sutton | 151 | LAN |
| +050+ | 2.53 | Juan Marichal | 162 | SFN |
| +052+ | 2.42 | Mickey Lolich | 222.7 | DET |
| +055+ | 2.37 | Don Gullett | 121 | CIN |
| +060+ | 2.23 | Ray Lamb | 98 | CLE |
| +062+ | 2.21 | Pat Dobson | 170 | BAL |
| +064+ | 2.19 | Steve Blass | 144.7 | PIT |
| +065+ | 2.14 | Mike Hedlund | 122.7 | KCA |
| +066+ | 2.11 | Phil Niekro | 155.7 | ATL |
| +067+ | 2.06 | John Cumberland | 83 | SFN |
| +077+ | 1.92 | Mike Cuellar | 171.7 | BAL |
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