Al Preston vs. Bret Prinz — Career Comparison

On the career pitching numbers, Bret Prinz posted a stronger line than Al Preston. Bret Prinz posted stronger numbers in ERA (4.89 vs 20.25) and WHIP (1.674 vs 4.500). By the career numbers, Bret Prinz 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.