| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.8 | 197104260_NYN_SLN |
| Bob Gibson | SLN | 6.78 | 197104260_NYN_SLN |
| Gaylord Perry | SFN | 5.65 | 197104270_SFN_ATL |
| Mel Stottlemyre | NYA | 5.6 | 197104270_CHA_NYA |
| Sam McDowell | CLE | 4.35 | 197104280_CLE_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Griffin | HOU | -2.21 | 197104260_PHI_HOU |
| Steve Arlin | SDN | -2.11 | 197104270_SDN_CIN |
| Jim Bunning | PHI | -1.42 | 197104270_PHI_HOU |
| Mike Torrez | SLN | -1.32 | 197104280_NYN_SLN |
| Joe Niekro | DET | -1.16 | 197104260_DET_KCA |
Based on accumulated WAA for this season up to 1971-04-28.
| Rank | WAA | Name | IP | Tm |
|---|
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