Stan Perzanowski vs. Lucio Valdés — Career Comparison

Looking at the career totals, Stan Perzanowski and Lucio Valdés are fairly close on the surface numbers. Stan Perzanowski posted stronger numbers in ERA (5.11 vs 33.75) and WHIP (1.556 vs 3.750). Lucio Valdés had the advantage in home runs allowed (0 per nine innings vs 0.44). By the career numbers, Stan Perzanowski 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.