Kervin Castro vs. Rex Smith — Career Comparison

Looking at the career totals, Kervin Castro and Rex Smith are fairly close on the surface numbers. Kervin Castro posted stronger numbers in ERA (4.91 vs 5.5) and WHIP (1.558 vs 2.111). Rex Smith had the advantage in home runs allowed (0 per nine innings vs 1.05). By the career numbers, Kervin Castro 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.