John Perkovich vs. Zip Zabel — Career Comparison

Zip Zabel 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. Zip Zabel posted stronger surface numbers — ERA 2.71 and WHIP 1.220 compared to 7.2 and 1.600 for John Perkovich. By the career numbers, Zip Zabel had the better of this cross-role comparison — though era context would sharpen the verdict.