Roberto Duran vs. John Pregenzer — Career Comparison

Looking at the career totals, Roberto Duran and John Pregenzer are fairly close on the surface numbers. Roberto Duran posted stronger numbers in WHIP (1.846 vs 1.916) and home runs allowed (0 per nine innings vs 0.33). John Pregenzer had the advantage in ERA (4.88 vs 6.58). By the career numbers, Roberto Duran 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.