| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 9.04 | 197105220_ATL_NYN |
| Jim Palmer | BAL | 8.33 | 197105231_BOS_BAL |
| Gaylord Perry | SFN | 4.67 | 197105210_SFN_HOU |
| Mel Stottlemyre | NYA | 4.63 | 197105220_NYA_CLE |
| Larry Dierker | HOU | 2.48 | 197105210_SFN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rich Robertson | SFN | -3.04 | 197105220_SFN_HOU |
| Jim Bunning | PHI | -2.53 | 197105210_CIN_PHI |
| Gary Peters | BOS | -2.41 | 197105231_BOS_BAL |
| Mike Kekich | NYA | -2.29 | 197105210_NYA_CLE |
| Tom Murphy | ANA | -2.11 | 197105220_CHA_ANA |
Based on accumulated WAA for this season up to 1971-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.36 | Vida Blue | 95.7 | OAK |
| +002+ | 3.92 | Tom Bradley | 78 | CHA |
| +004+ | 3.28 | Sonny Siebert | 77.7 | BOS |
| +007+ | 2.98 | Bert Blyleven | 80.7 | MIN |
| +009+ | 2.73 | Bill Parsons | 70.3 | MIL |
| +012+ | 2.52 | Steve Kline | 73.7 | NYA |
| +016+ | 2.31 | Dock Ellis | 68.7 | PIT |
| +017+ | 2.23 | Jim Palmer | 83 | BAL |
| +018+ | 2.2 | Larry Dierker | 79 | HOU |
| +019+ | 2.15 | Juan Marichal | 79.3 | SFN |
| +020+ | 2.14 | Tom Seaver | 80.7 | NYN |
| +021+ | 1.96 | Nolan Ryan | 41 | NYN |
| +025+ | 1.83 | Mickey Lolich | 99.3 | DET |
| +030+ | 1.69 | Marty Pattin | 75.7 | MIL |
| +031+ | 1.66 | Wilbur Wood | 49.7 | CHA |
| +034+ | 1.62 | Mike Hedlund | 54 | KCA |
| +038+ | 1.52 | Dick Drago | 55.3 | KCA |
| +040+ | 1.48 | Claude Osteen | 79.7 | LAN |
| +039+ | 1.48 | Al Downing | 72 | LAN |
| +043+ | 1.44 | Bruce DalCanton | 57 | KCA |
| +047+ | 1.39 | Gary Gentry | 60.3 | NYN |
| +045+ | 1.39 | Ferguson Jenkins | 93 | CHN |
| +052+ | 1.32 | Bill Stoneman | 70 | WAS |
| +055+ | 1.31 | Ron Bryant | 60.3 | SFN |
| +057+ | 1.27 | Clyde Wright | 76.7 | ANA |
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