John Perkovich vs. Billy Rohr — Career Comparison

Billy Rohr 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. Billy Rohr posted stronger surface numbers — ERA 5.64 and WHIP 1.599 compared to 7.2 and 1.600 for John Perkovich. By the career numbers, Billy Rohr had the better of this cross-role comparison — though era context would sharpen the verdict.