Chang-Yong Lim vs. Ryan Mattheus — Career Comparison

Looking at the career totals, Chang-Yong Lim and Ryan Mattheus are fairly close on the surface numbers. Ryan Mattheus posted stronger numbers in ERA (3.72 vs 5.4) and WHIP (1.462 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 0.59). By the career numbers, Ryan Mattheus 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.