Shawn Armstrong vs. Gerardo Concepcion — Career Comparison

Looking at the career totals, Shawn Armstrong and Gerardo Concepcion are fairly close on the surface numbers. Gerardo Concepcion had the edge in home runs allowed (0 per nine innings vs 1). By the career numbers, Gerardo Concepcion 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.