| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 9.04 | 197105220_ATL_NYN |
| Jim Palmer | BAL | 8.33 | 197105231_BOS_BAL |
| Mel Stottlemyre | NYA | 4.63 | 197105220_NYA_CLE |
| Bob Gibson | SLN | 3.77 | 197105240_SDN_SLN |
| Andy Messersmith | ANA | 2.23 | 197105230_CHA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rich Robertson | SFN | -3.04 | 197105220_SFN_HOU |
| Gary Peters | BOS | -2.41 | 197105231_BOS_BAL |
| Tom Murphy | ANA | -2.11 | 197105220_CHA_ANA |
| Jim Merritt | CIN | -2.08 | 197105220_CIN_PHI |
| Tom Griffin | HOU | -1.46 | 197105230_SFN_HOU |
Based on accumulated WAA for this season up to 1971-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.39 | Vida Blue | 95.7 | OAK |
| +002+ | 3.94 | Tom Bradley | 78 | CHA |
| +004+ | 3.3 | Sonny Siebert | 77.7 | BOS |
| +007+ | 3.01 | Bert Blyleven | 80.7 | MIN |
| +009+ | 2.76 | Bill Parsons | 70.3 | MIL |
| +012+ | 2.54 | Steve Kline | 73.7 | NYA |
| +015+ | 2.33 | Dock Ellis | 68.7 | PIT |
| +017+ | 2.26 | Jim Palmer | 83 | BAL |
| +018+ | 2.23 | Larry Dierker | 79 | HOU |
| +019+ | 2.18 | Juan Marichal | 79.3 | SFN |
| +020+ | 2.17 | Tom Seaver | 80.7 | NYN |
| +022+ | 1.98 | Nolan Ryan | 41 | NYN |
| +024+ | 1.86 | Mickey Lolich | 99.3 | DET |
| +032+ | 1.72 | Marty Pattin | 75.7 | MIL |
| +033+ | 1.67 | Wilbur Wood | 49.7 | CHA |
| +035+ | 1.63 | Mike Hedlund | 54 | KCA |
| +039+ | 1.53 | Dick Drago | 55.3 | KCA |
| +042+ | 1.5 | Claude Osteen | 79.7 | LAN |
| +041+ | 1.5 | Al Downing | 72 | LAN |
| +043+ | 1.46 | Bruce DalCanton | 57 | KCA |
| +046+ | 1.42 | Ferguson Jenkins | 93 | CHN |
| +047+ | 1.4 | Gary Gentry | 60.3 | NYN |
| +049+ | 1.35 | Bill Stoneman | 70 | WAS |
| +051+ | 1.33 | Ron Bryant | 60.3 | SFN |
| +055+ | 1.29 | Clyde Wright | 76.7 | ANA |
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