Jeremy Hefner vs. Dan Petry — Career Comparison

Looking at the career totals, Jeremy Hefner and Dan Petry are fairly close on the surface numbers. Dan Petry posted stronger numbers in ERA (3.95 vs 4.65) and home runs allowed (0.94 per nine innings vs 1.16). Jeremy Hefner had the advantage in WHIP (1.346 vs 1.399). By the career numbers, Dan Petry 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.