David Aardsma vs. Demarcus Evans — Career Comparison

Looking at the career totals, David Aardsma and Demarcus Evans are fairly close on the surface numbers. David Aardsma posted stronger numbers in ERA (4.27 vs 4.75) and home runs allowed (1.09 per nine innings vs 1.48). Demarcus Evans had the advantage in WHIP (1.418 vs 1.487). By the career numbers, David Aardsma 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.