Joe Colon vs. B. J. Rosenberg — Career Comparison

On the career pitching numbers, B. J. Rosenberg posted a stronger line than Joe Colon. B. J. Rosenberg posted stronger numbers in ERA (5.72 vs 7.2) and WHIP (1.571 vs 2.000). By the career numbers, B. J. Rosenberg 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.