Wilson Heredia vs. Esteban Yan — Career Comparison

Looking at the career totals, Wilson Heredia and Esteban Yan are fairly close on the surface numbers. Wilson Heredia posted stronger numbers in ERA (3.41 vs 5.14) and home runs allowed (1.14 per nine innings vs 1.36). Esteban Yan had the advantage in WHIP (1.512 vs 1.768). By the career numbers, Wilson Heredia 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.