Erik Hamren vs. Marc Pisciotta — Career Comparison

On the career pitching numbers, Marc Pisciotta posted a stronger line than Erik Hamren. Marc Pisciotta posted stronger numbers in ERA (4.24 vs 4.38) and home runs allowed (0.67 per nine innings vs 1.46). By the career numbers, Marc Pisciotta 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.