Bob Hartman vs. Wilson Heredia — Career Comparison

Looking at the career totals, Bob Hartman and Wilson Heredia are fairly close on the surface numbers. Bob Hartman posted stronger numbers in WHIP (1.579 vs 1.768) and home runs allowed (0.47 per nine innings vs 1.14). Wilson Heredia had the advantage in ERA (3.41 vs 5.21). By the career numbers, Bob Hartman 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.