| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 6.57 | 197105092_OAK_BAL |
| Jerry Koosman | NYN | 4.84 | 197105090_SLN_NYN |
| Andy Messersmith | ANA | 3.98 | 197105100_ANA_DET |
| Larry Dierker | HOU | 3.75 | 197105110_HOU_NYN |
| Gaylord Perry | SFN | 3.52 | 197105110_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Kekich | NYA | -3.15 | 197105090_NYA_CHA |
| Tom Murphy | ANA | -2.92 | 197105090_ANA_CLE |
| Clay Kirby | SDN | -2.51 | 197105090_CIN_SDN |
| Gary Peters | BOS | -2.04 | 197105110_BOS_MIN |
| Alan Foster | CLE | -2.01 | 197105090_ANA_CLE |
Based on accumulated WAA for this season up to 1971-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.86 | Vida Blue | 70.7 | OAK |
| +007+ | 2.36 | Tom Bradley | 55 | CHA |
| +010+ | 2.24 | Tom Seaver | 56.3 | NYN |
| +011+ | 2.11 | Juan Marichal | 64 | SFN |
| +013+ | 1.97 | Al Downing | 53.7 | LAN |
| +016+ | 1.87 | Larry Dierker | 64.7 | HOU |
| +018+ | 1.78 | Sonny Siebert | 52.3 | BOS |
| +019+ | 1.69 | Ferguson Jenkins | 66 | CHN |
| +020+ | 1.65 | Bill Parsons | 47.7 | MIL |
| +021+ | 1.64 | Steve Kline | 51 | NYA |
| +024+ | 1.62 | Dock Ellis | 53 | PIT |
| +027+ | 1.49 | Bruce DalCanton | 45.3 | KCA |
| +028+ | 1.44 | Dick Drago | 52.7 | KCA |
| +031+ | 1.38 | Claude Osteen | 64.7 | LAN |
| +032+ | 1.35 | Ray Lamb | 27.7 | CLE |
| +033+ | 1.33 | Luke Walker | 44 | PIT |
| +034+ | 1.32 | Jim Palmer | 57 | BAL |
| +035+ | 1.28 | Marty Pattin | 56.3 | MIL |
| XXXXX | 1.13 | Bob Johnson | 38.7 | PIT |
| XXXXX | 1.11 | Nolan Ryan | 25.3 | NYN |
| XXXXX | 1.07 | Ron Bryant | 36.3 | SFN |
| XXXXX | 1.04 | Jerry Koosman | 40.7 | NYN |
| XXXXX | 1.01 | Pat Dobson | 53 | BAL |
| XXXXX | 1 | Wilbur Wood | 34.7 | CHA |
| XXXXX | 0.99 | Bill Stoneman | 47 | WAS |
_