George Hennessey vs. Wilson Heredia — Career Comparison

Looking at the career totals, George Hennessey and Wilson Heredia are fairly close on the surface numbers. Wilson Heredia had the edge in ERA (3.41 vs 5.2). 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.