Chang-Yong Lim vs. Joe Roa — Career Comparison

Looking at the career totals, Chang-Yong Lim and Joe Roa are fairly close on the surface numbers. Joe Roa posted stronger numbers in ERA (4.94 vs 5.4) and WHIP (1.538 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 1.32). By the career numbers, Joe Roa 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.