| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 5.56 | 197105040_ANA_BAL |
| Dick Bosman | TEX | 4.19 | 197105040_TEX_MIL |
| Jim Perry | MIN | 2.41 | 197105050_NYA_MIN |
| Ferguson Jenkins | CHN | 2.21 | 197105050_CHN_NYN |
| Juan Marichal | SFN | 1.24 | 197105050_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Hargan | CLE | -2.41 | 197105040_KCA_CLE |
| Tom Murphy | ANA | -2.34 | 197105040_ANA_BAL |
| Clay Kirby | SDN | -2.15 | 197105052_ATL_SDN |
| Reggie Cleveland | SLN | -1.05 | 197105050_SLN_PHI |
| Bill Stoneman | WAS | -1.01 | 197105050_HOU_WAS |
Based on accumulated WAA for this season up to 1971-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.31 | Vida Blue | 61.7 | OAK |
| +003+ | 2.47 | Al Downing | 47 | LAN |
| +007+ | 2.28 | Larry Dierker | 52 | HOU |
| +011+ | 1.82 | Juan Marichal | 55 | SFN |
| +013+ | 1.72 | Tom Seaver | 47.3 | NYN |
| +014+ | 1.66 | Steve Carlton | 49.3 | SLN |
| +016+ | 1.62 | Dick Drago | 47.7 | KCA |
| +018+ | 1.59 | Tom Bradley | 45 | CHA |
| +021+ | 1.46 | Dock Ellis | 46 | PIT |
| +023+ | 1.4 | Sonny Siebert | 45.3 | BOS |
| +026+ | 1.34 | Ron Bryant | 29 | SFN |
| +027+ | 1.33 | Bert Blyleven | 46 | MIN |
| +029+ | 1.31 | Luke Walker | 44 | PIT |
| XXXXX | 1.18 | Jim Palmer | 50 | BAL |
| XXXXX | 1.15 | Jerry Koosman | 34.3 | NYN |
| XXXXX | 1.13 | Bill Parsons | 38.7 | MIL |
| XXXXX | 1.11 | Steve Renko | 38 | WAS |
| XXXXX | 1.08 | Andy Messersmith | 44.3 | ANA |
| XXXXX | 1.01 | Bob Johnson | 32 | PIT |
| XXXXX | 1 | Mike Hedlund | 34.3 | KCA |
| XXXXX | 0.98 | Steve Kline | 40 | NYA |
| XXXXX | 0.96 | Ray Lamb | 22.7 | CLE |
| XXXXX | 0.91 | Chris Short | 43.3 | PHI |
| XXXXX | 0.91 | Marty Pattin | 49.3 | MIL |
| XXXXX | 0.91 | Ferguson Jenkins | 57 | CHN |
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