Mark Eichhorn vs. Zack Weiss — Career Comparison

On the career pitching numbers, Mark Eichhorn posted a stronger line than Zack Weiss. Mark Eichhorn posted stronger numbers in ERA (3 vs 4.61) and home runs allowed (0.5 per nine innings vs 2.63). By the career numbers, Mark Eichhorn 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.