Chang-Yong Lim vs. Isaac Mattson — Career Comparison

Looking at the career totals, Chang-Yong Lim and Isaac Mattson are fairly close on the surface numbers. Isaac Mattson posted stronger numbers in ERA (2.98 vs 5.4) and WHIP (1.256 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 0.63). By the career numbers, Isaac Mattson 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.