Jim Peterson vs. Pat Zachry — Career Comparison

Pat Zachry built a career as a starting pitcher and Jim Peterson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Pat Zachry posted stronger surface numbers — ERA 3.52 and WHIP 1.434 compared to 5.27 and 1.665 for Jim Peterson. By the career numbers, Pat Zachry had the better of this cross-role comparison — though era context would sharpen the verdict.