Carlos Castillo vs. Bob File — Career Comparison

Looking at the career totals, Carlos Castillo and Bob File are fairly close on the surface numbers. Bob File posted stronger numbers in ERA (4.2 vs 5.04) and home runs allowed (0.81 per nine innings vs 1.58). Carlos Castillo had the advantage in WHIP (1.410 vs 1.464). By the career numbers, Bob File 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.