| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 9.36 | 197105291_NYN_SDN |
| Mel Stottlemyre | NYA | 6.07 | 197105300_ANA_NYA |
| Gaylord Perry | SFN | 4.84 | 197105301_WAS_SFN |
| Wilbur Wood | CHA | 3.09 | 197105300_CLE_CHA |
| Bert Blyleven | MIN | 2.82 | 197105300_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rich Robertson | SFN | -2.06 | 197105302_WAS_SFN |
| Clay Kirby | SDN | -1.91 | 197105300_NYN_SDN |
| Lew Krausse | MIL | -1.71 | 197105290_DET_MIL |
| Jim Nash | ATL | -1.06 | 197105290_ATL_SLN |
| Jim Lonborg | BOS | -0.83 | 197105290_OAK_BOS |
Based on accumulated WAA for this season up to 1971-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.15 | Vida Blue | 103.3 | OAK |
| +002+ | 4.01 | Tom Bradley | 91 | CHA |
| +005+ | 3.57 | Bert Blyleven | 96.7 | MIN |
| +007+ | 3.42 | Sonny Siebert | 86.3 | BOS |
| +008+ | 3.3 | Juan Marichal | 97.3 | SFN |
| +010+ | 3 | Larry Dierker | 88 | HOU |
| +014+ | 2.76 | Bill Parsons | 77.3 | MIL |
| +015+ | 2.71 | Dock Ellis | 77.7 | PIT |
| +016+ | 2.69 | Nolan Ryan | 50 | NYN |
| +018+ | 2.68 | Tom Seaver | 89.7 | NYN |
| +022+ | 2.15 | Jim Palmer | 85.7 | BAL |
| +024+ | 2.11 | Wilbur Wood | 65 | CHA |
| +027+ | 2.08 | Mickey Lolich | 108.3 | DET |
| +030+ | 1.92 | Steve Carlton | 83.7 | SLN |
| +032+ | 1.84 | Al Downing | 81 | LAN |
| +034+ | 1.81 | Marty Pattin | 83.7 | MIL |
| +037+ | 1.78 | Gary Gentry | 70.3 | NYN |
| +042+ | 1.73 | Mel Stottlemyre | 85.7 | NYA |
| +044+ | 1.7 | Claude Osteen | 94.7 | LAN |
| +045+ | 1.7 | Bill Stoneman | 85.7 | WAS |
| +048+ | 1.6 | Ken Forsch | 33.3 | HOU |
| +050+ | 1.56 | Dick Drago | 60 | KCA |
| +051+ | 1.55 | Steve Kline | 75.7 | NYA |
| +054+ | 1.52 | Bruce DalCanton | 57 | KCA |
| +066+ | 1.32 | Ron Bryant | 64.3 | SFN |
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