Alberto Castillo vs. Ramon de los Santos — Career Comparison

Looking at the career totals, Alberto Castillo and Ramon de los Santos are fairly close on the surface numbers. Ramon de los Santos posted stronger numbers in ERA (2.19 vs 4.33) and home runs allowed (0 per nine innings vs 1.19). Alberto Castillo had the advantage in WHIP (1.541 vs 1.946). By the career numbers, Ramon de los Santos 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.