Alberto Castillo vs. Bill Duzen — Career Comparison

On the career pitching numbers, Alberto Castillo posted a stronger line than Bill Duzen. Alberto Castillo posted stronger numbers in ERA (4.33 vs 13.85) and WHIP (1.541 vs 2.615). By the career numbers, Alberto Castillo 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.