John Mackinson vs. Robbie Weinhardt — Career Comparison

On the career pitching numbers, Robbie Weinhardt posted a stronger line than John Mackinson. Robbie Weinhardt posted stronger numbers in ERA (6.39 vs 7.36) and home runs allowed (0.58 per nine innings vs 1.23). By the career numbers, Robbie Weinhardt 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.