Jim Acker vs. Chang-Yong Lim — Career Comparison

Looking at the career totals, Jim Acker and Chang-Yong Lim are fairly close on the surface numbers. Jim Acker posted stronger numbers in ERA (3.97 vs 5.4) and WHIP (1.423 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 0.82). By the career numbers, Jim Acker 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.