Carlos Castillo vs. Daniel Schlereth — Career Comparison

Looking at the career totals, Carlos Castillo and Daniel Schlereth are fairly close on the surface numbers. Daniel Schlereth posted stronger numbers in ERA (4.35 vs 5.04) and home runs allowed (1.16 per nine innings vs 1.58). Carlos Castillo had the advantage in WHIP (1.410 vs 1.667). By the career numbers, Daniel Schlereth 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.