Gerardo Concepcion vs. Joel Johnston — Career Comparison

On the career pitching numbers, Gerardo Concepcion posted a stronger line than Joel Johnston. Gerardo Concepcion posted stronger numbers in ERA (3.86 vs 4.31) and home runs allowed (0 per nine innings vs 1.05). 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.