Steve Dreyer vs. Jon Lieber — Career Comparison

On the career pitching numbers, Jon Lieber posted a stronger line than Steve Dreyer. Jon Lieber posted stronger numbers in ERA (4.27 vs 5.71) and WHIP (1.302 vs 1.646). By the career numbers, Jon Lieber 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.