| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 6.57 | 197105092_OAK_BAL |
| Jerry Koosman | NYN | 4.84 | 197105090_SLN_NYN |
| Dick Bosman | TEX | 4.24 | 197105080_TEX_MIN |
| Andy Messersmith | ANA | 3.98 | 197105100_ANA_DET |
| Steve Carlton | SLN | 2.66 | 197105090_SLN_NYN |
| 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 |
| Alan Foster | CLE | -2.01 | 197105090_ANA_CLE |
| Rich Robertson | SFN | -1.95 | 197105092_ATL_SFN |
Based on accumulated WAA for this season up to 1971-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.79 | Vida Blue | 70.7 | OAK |
| +004+ | 2.63 | Larry Dierker | 59 | HOU |
| +008+ | 2.32 | Tom Bradley | 55 | CHA |
| +010+ | 2.2 | Tom Seaver | 56.3 | NYN |
| +011+ | 2.06 | Juan Marichal | 64 | SFN |
| +014+ | 1.93 | Al Downing | 53.7 | LAN |
| +018+ | 1.74 | Sonny Siebert | 52.3 | BOS |
| +020+ | 1.64 | Ferguson Jenkins | 66 | CHN |
| +021+ | 1.64 | Dick Drago | 47.7 | KCA |
| +023+ | 1.61 | Bill Parsons | 47.7 | MIL |
| +024+ | 1.6 | Steve Kline | 51 | NYA |
| +028+ | 1.46 | Bruce DalCanton | 45.3 | KCA |
| +029+ | 1.45 | Dock Ellis | 46 | PIT |
| +030+ | 1.33 | Ray Lamb | 27.7 | CLE |
| +033+ | 1.3 | Jim Palmer | 57 | BAL |
| +032+ | 1.3 | Luke Walker | 44 | PIT |
| XXXXX | 1.24 | Marty Pattin | 56.3 | MIL |
| XXXXX | 1.1 | Bob Johnson | 38.7 | PIT |
| XXXXX | 1.04 | Ron Bryant | 36.3 | SFN |
| XXXXX | 1 | Jerry Koosman | 40.7 | NYN |
| XXXXX | 0.97 | Wilbur Wood | 34.7 | CHA |
| XXXXX | 0.96 | Bill Stoneman | 47 | WAS |
| XXXXX | 0.94 | Pat Dobson | 44.3 | BAL |
| XXXXX | 0.93 | Bert Blyleven | 54.7 | MIN |
| XXXXX | 0.87 | Dave McNally | 65 | BAL |
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