Kevin Campbell vs. Carlos Castillo — Career Comparison

Looking at the career totals, Kevin Campbell and Carlos Castillo are fairly close on the surface numbers. Kevin Campbell posted stronger numbers in ERA (4.55 vs 5.04) and home runs allowed (0.72 per nine innings vs 1.58). Carlos Castillo had the advantage in WHIP (1.410 vs 1.525). By the career numbers, Kevin Campbell 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.