Chang-Yong Lim vs. Mariano Rivera — Career Comparison

Looking at the career totals, Chang-Yong Lim and Mariano Rivera are fairly close on the surface numbers. Mariano Rivera posted stronger numbers in ERA (2.21 vs 5.4) and WHIP (1.032 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 0.5). By the career numbers, Mariano Rivera 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.