John Perkovich vs. Robert Prior — Career Comparison

Robert Prior built a career as a starting pitcher and John Perkovich as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Robert Prior posted stronger surface numbers — ERA 6.55 and WHIP 1.909 compared to 7.2 and 1.600 for John Perkovich. By the career numbers, Robert Prior had the better of this cross-role comparison — though era context would sharpen the verdict.