Rudy Arias vs. Aaron Heilman — Career Comparison

Looking at the career totals, Rudy Arias and Aaron Heilman are fairly close on the surface numbers. Aaron Heilman posted stronger numbers in WHIP (1.402 vs 1.727) and home runs allowed (1.03 per nine innings vs 1.43). Rudy Arias had the advantage in ERA (4.09 vs 4.4). By the career numbers, Aaron Heilman 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.