| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 4.99 | 197104110_CIN_NYN |
| Dick Bosman | TEX | 4.82 | 197104111_NYA_TEX |
| Bob Gibson | SLN | 4.58 | 197104111_SFN_SLN |
| Andy Messersmith | ANA | 4.4 | 197104130_ANA_CHA |
| Gaylord Perry | SFN | 4.18 | 197104120_SDN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lew Krausse | MIL | -3.1 | 197104120_OAK_MIL |
| Rich Robertson | SFN | -2.72 | 197104111_SFN_SLN |
| Clay Kirby | SDN | -2.08 | 197104120_SDN_SFN |
| Tom Murphy | ANA | -2.05 | 197104110_ANA_MIL |
| Gary Peters | BOS | -1.95 | 197104110_BOS_CLE |
Based on accumulated WAA for this season up to 1971-04-13.
| Rank | WAA | Name | IP | Tm |
|---|
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