Gerardo Concepcion vs. Mike Rowland — Career Comparison

Looking at the career totals, Gerardo Concepcion and Mike Rowland are fairly close on the surface numbers. Mike Rowland posted stronger numbers in ERA (2.74 vs 3.86) and WHIP (1.195 vs 1.286). Gerardo Concepcion had the advantage in home runs allowed (0 per nine innings vs 0.63). By the career numbers, Mike Rowland 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.