Chris Piersoll vs. Bret Prinz — Career Comparison

On the career pitching numbers, Chris Piersoll posted a stronger line than Bret Prinz. Chris Piersoll posted stronger numbers in ERA (2.38 vs 4.89) and WHIP (1.588 vs 1.674). By the career numbers, Chris Piersoll 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.