Roberto Duran vs. Willie Mueller — Career Comparison

Looking at the career totals, Roberto Duran and Willie Mueller are fairly close on the surface numbers. Willie Mueller posted stronger numbers in ERA (6.14 vs 6.58) and WHIP (1.773 vs 1.846). Roberto Duran had the advantage in home runs allowed (0 per nine innings vs 0.61). By the career numbers, Willie Mueller 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.