Wilfredo Boscan vs. Charlie Kerfeld — Career Comparison

Looking at the career totals, Wilfredo Boscan and Charlie Kerfeld are fairly close on the surface numbers. Charlie Kerfeld posted stronger numbers in ERA (4.2 vs 6.46) and home runs allowed (0.54 per nine innings vs 1.17). Wilfredo Boscan had the advantage in WHIP (1.435 vs 1.572). By the career numbers, Charlie Kerfeld 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.