Gerardo Concepcion vs. Lance Rautzhan — Career Comparison

Looking at the career totals, Gerardo Concepcion and Lance Rautzhan are fairly close on the surface numbers. Gerardo Concepcion had the edge in WHIP (1.286 vs 1.595). 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.