Don Black vs. Jehosie Heard — Career Comparison

Looking at the career totals, Don Black and Jehosie Heard are fairly close on the surface numbers. Jehosie Heard had the edge in ERA (3.5 vs 4.35). By the career numbers, Jehosie Heard 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.