Juan Guzman vs. Sidney Williams — Career Comparison

Looking at the career totals, Juan Guzman and Sidney Williams are fairly close on the surface numbers. Juan Guzman posted stronger numbers in ERA (4.08 vs 4.28) and WHIP (1.381 vs 1.610). Sidney Williams had the advantage in home runs allowed (0.33 per nine innings vs 0.9). By the career numbers, Juan Guzman 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.