Grover Powell vs. Bret Prinz — Career Comparison

On the career pitching numbers, Grover Powell posted a stronger line than Bret Prinz. Grover Powell posted stronger numbers in ERA (2.72 vs 4.89) and WHIP (1.389 vs 1.674). By the career numbers, Grover Powell 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.