Roberto Hernandez vs. Chang-Yong Lim — Career Comparison

Looking at the career totals, Roberto Hernandez and Chang-Yong Lim are fairly close on the surface numbers. Roberto Hernandez posted stronger numbers in ERA (3.45 vs 5.4) and WHIP (1.416 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 0.81). By the career numbers, Roberto Hernandez 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.