Bill Pleis vs. Bret Prinz — Career Comparison

On the career pitching numbers, Bill Pleis posted a stronger line than Bret Prinz. Bill Pleis posted stronger numbers in ERA (4.07 vs 4.89) and WHIP (1.468 vs 1.674). By the career numbers, Bill Pleis 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.