| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 8.19 | 197107220_NYN_CHN |
| Wilbur Wood | CHA | 7.93 | 197107220_CHA_BOS |
| Dock Ellis | PIT | 4.61 | 197107220_SFN_PIT |
| Ferguson Jenkins | CHN | 3.7 | 197107240_CHN_PHI |
| Sam McDowell | CLE | 3.62 | 197107230_KCA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Reuss | SLN | -6.51 | 197107242_SLN_WAS |
| Gary Peters | BOS | -4.78 | 197107240_BOS_MIN |
| Dan McGinn | WAS | -2.28 | 197107230_SLN_WAS |
| Tom Phoebus | SDN | -1.39 | 197107220_SDN_ATL |
| Wade Blasingame | HOU | -1.26 | 197107220_WAS_HOU |
Based on accumulated WAA for this season up to 1971-07-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.47 | Vida Blue | 204.3 | OAK |
| +005+ | 6.15 | Wilbur Wood | 169.7 | CHA |
| +008+ | 5.08 | Dave Roberts | 162.7 | SDN |
| +011+ | 4.66 | Tom Seaver | 164.3 | NYN |
| +012+ | 4.24 | Al Downing | 169 | LAN |
| +013+ | 4.12 | Dock Ellis | 152.7 | PIT |
| +016+ | 3.97 | Ferguson Jenkins | 201.7 | CHN |
| +023+ | 3.59 | Larry Dierker | 145.7 | HOU |
| +030+ | 3.43 | Bill Parsons | 149.3 | MIL |
| +039+ | 2.99 | Eddie Fisher | 79 | ANA |
| +042+ | 2.86 | Don Gullett | 129 | CIN |
| +048+ | 2.62 | Tommy John | 157.3 | CHA |
| +050+ | 2.55 | Mel Stottlemyre | 182.7 | NYA |
| +054+ | 2.45 | Sonny Siebert | 161 | BOS |
| +056+ | 2.42 | Juan Marichal | 170.3 | SFN |
| +058+ | 2.39 | Pat Dobson | 179 | BAL |
| +060+ | 2.32 | Steve Blass | 153.7 | PIT |
| +062+ | 2.28 | Jim Palmer | 167.3 | BAL |
| +066+ | 2.13 | Nolan Ryan | 109.7 | NYN |
| +068+ | 2.1 | Sam McDowell | 157.3 | CLE |
| +075+ | 2.02 | John Cumberland | 90 | SFN |
| +078+ | 1.95 | Marty Pattin | 164.3 | MIL |
| +080+ | 1.92 | Bill Stoneman | 176.3 | WAS |
| +085+ | 1.83 | Ray Sadecki | 74.7 | NYN |
| +083+ | 1.83 | Tom Bradley | 165.7 | CHA |
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