Diego Castillo vs. Christian Roa — Career Comparison

Looking at the career totals, Diego Castillo and Christian Roa are fairly close on the surface numbers. Christian Roa posted stronger numbers in ERA (0 vs 3.2) and home runs allowed (0 per nine innings vs 1.07). Diego Castillo had the advantage in WHIP (1.153 vs 1.333). By the career numbers, Christian Roa 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.