Alejandro Peña vs. Bret Prinz — Career Comparison

On the career pitching numbers, Alejandro Peña posted a stronger line than Bret Prinz. Alejandro Peña posted stronger numbers in ERA (3.11 vs 4.89) and WHIP (1.278 vs 1.674). By the career numbers, Alejandro Peña 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.