Rheal Cormier vs. Zack Weiss — Career Comparison

On the career pitching numbers, Rheal Cormier posted a stronger line than Zack Weiss. Rheal Cormier posted stronger numbers in ERA (4.03 vs 4.61) and home runs allowed (0.89 per nine innings vs 2.63). By the career numbers, Rheal Cormier 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.