Fabio Castillo vs. Clay Christiansen — Career Comparison

Looking at the career totals, Fabio Castillo and Clay Christiansen are fairly close on the surface numbers. Clay Christiansen posted stronger numbers in ERA (6.05 vs 13.5) and WHIP (1.603 vs 3.000). Fabio Castillo had the advantage in home runs allowed (0 per nine innings vs 0.93). By the career numbers, Clay Christiansen 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.