Joe Boyle vs. Chien-Ming Wang — Career Comparison

Looking at the career totals, Joe Boyle and Chien-Ming Wang are fairly close on the surface numbers. Chien-Ming Wang had the edge in ERA (4.36 vs 4.98). By the career numbers, Chien-Ming Wang 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.