Chang-Yong Lim vs. Brian O'Connor — Career Comparison

Looking at the career totals, Chang-Yong Lim and Brian O'Connor are fairly close on the surface numbers. Brian O'Connor posted stronger numbers in ERA (5.11 vs 5.4) and WHIP (1.865 vs 2.800). Chang-Yong Lim had the advantage in home runs allowed (0 per nine innings vs 1.46). By the career numbers, Brian O'Connor 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.