John Perkovich vs. Bill Popp — Career Comparison

Looking at the career totals, John Perkovich and Bill Popp are fairly close on the surface numbers. Bill Popp posted stronger numbers in ERA (4.92 vs 7.2) and home runs allowed (0.3 per nine innings vs 5.4). John Perkovich had the advantage in WHIP (1.600 vs 1.873). By the career numbers, Bill Popp had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.