Alejandro Chacin vs. José Lopez — Career Comparison

On the career pitching numbers, José Lopez posted a stronger line than Alejandro Chacin. José Lopez posted stronger numbers in ERA (4.5 vs 10.5) and WHIP (2.000 vs 2.500). By the career numbers, José Lopez 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.