| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 8.33 | 197105231_BOS_BAL |
| Jerry Koosman | NYN | 4.42 | 197105250_PHI_NYN |
| Bob Gibson | SLN | 3.77 | 197105240_SDN_SLN |
| Fritz Peterson | NYA | 2.61 | 197105231_NYA_CLE |
| Andy Messersmith | ANA | 2.23 | 197105230_CHA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -2.41 | 197105231_BOS_BAL |
| Clay Kirby | SDN | -1.92 | 197105250_HOU_SDN |
| Tom Griffin | HOU | -1.46 | 197105230_SFN_HOU |
| Lew Krausse | MIL | -1.04 | 197105250_MIN_MIL |
| Reggie Cleveland | SLN | -0.89 | 197105230_SDN_SLN |
Based on accumulated WAA for this season up to 1971-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.36 | Vida Blue | 95.7 | OAK |
| +002+ | 3.75 | Tom Bradley | 83 | CHA |
| +004+ | 3.3 | Sonny Siebert | 77.7 | BOS |
| +006+ | 3.04 | Bert Blyleven | 80.7 | MIN |
| +010+ | 2.79 | Bill Parsons | 70.3 | MIL |
| +011+ | 2.71 | Juan Marichal | 88.3 | SFN |
| +013+ | 2.59 | Steve Kline | 73.7 | NYA |
| +016+ | 2.36 | Dock Ellis | 68.7 | PIT |
| +018+ | 2.29 | Jim Palmer | 83 | BAL |
| +019+ | 2.26 | Larry Dierker | 79 | HOU |
| +020+ | 2.15 | Tom Seaver | 80.7 | NYN |
| +025+ | 1.97 | Nolan Ryan | 41 | NYN |
| +026+ | 1.9 | Mickey Lolich | 99.3 | DET |
| +029+ | 1.75 | Marty Pattin | 75.7 | MIL |
| +031+ | 1.69 | Wilbur Wood | 49.7 | CHA |
| +032+ | 1.66 | Mike Hedlund | 54 | KCA |
| +038+ | 1.57 | Steve Carlton | 74.7 | SLN |
| +040+ | 1.54 | Claude Osteen | 79.7 | LAN |
| +041+ | 1.53 | Al Downing | 72 | LAN |
| +042+ | 1.52 | Dick Drago | 60 | KCA |
| +043+ | 1.48 | Ferguson Jenkins | 93 | CHN |
| +044+ | 1.48 | Bruce DalCanton | 57 | KCA |
| +048+ | 1.39 | Gary Gentry | 60.3 | NYN |
| +049+ | 1.38 | Bill Stoneman | 70 | WAS |
| +050+ | 1.36 | Ron Bryant | 60.3 | SFN |
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