| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -5.8 | 197107200_PHI_SLN |
| Gary Peters | BOS | -5 | 197107180_MIL_BOS |
| Jim Nash | ATL | -4.89 | 197107181_SFN_ATL |
| Jim Bunning | PHI | -3.66 | 197107182_PHI_HOU |
| Dan McGinn | WAS | -1.35 | 197107180_WAS_CHN |
Based on accumulated WAA for this season up to 1971-07-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.21 | Vida Blue | 193.3 | OAK |
| +004+ | 5.53 | Wilbur Wood | 162.7 | CHA |
| +008+ | 4.95 | Dave Roberts | 156.7 | SDN |
| +011+ | 4.57 | Dock Ellis | 145.7 | PIT |
| +014+ | 4.13 | Al Downing | 160 | LAN |
| +016+ | 4.07 | Tom Seaver | 155.3 | NYN |
| +020+ | 3.8 | Bill Parsons | 144.3 | MIL |
| +026+ | 3.53 | Larry Dierker | 145.7 | HOU |
| +032+ | 3.37 | Ferguson Jenkins | 192.7 | CHN |
| +035+ | 3.2 | Jim Palmer | 161.3 | BAL |
| +040+ | 2.81 | Don Gullett | 129 | CIN |
| +041+ | 2.81 | Eddie Fisher | 77 | ANA |
| +045+ | 2.63 | Tommy John | 150.3 | CHA |
| +046+ | 2.6 | Nolan Ryan | 105.7 | NYN |
| +047+ | 2.58 | Sam McDowell | 153 | CLE |
| +048+ | 2.54 | Juan Marichal | 162 | SFN |
| +052+ | 2.43 | Mickey Lolich | 222.7 | DET |
| +060+ | 2.22 | Pat Dobson | 170 | BAL |
| +062+ | 2.14 | Mike Hedlund | 122.7 | KCA |
| +063+ | 2.11 | Phil Niekro | 155.7 | ATL |
| +068+ | 2.06 | John Cumberland | 83 | SFN |
| +069+ | 2.05 | Steve Blass | 145.7 | PIT |
| +075+ | 1.94 | Bill Stoneman | 176.3 | WAS |
| +080+ | 1.89 | Rudy May | 112.7 | ANA |
| +081+ | 1.88 | Sonny Siebert | 152 | BOS |
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