Bobby Jenks vs. Zack Weiss — Career Comparison

On the career pitching numbers, Bobby Jenks posted a stronger line than Zack Weiss. Bobby Jenks posted stronger numbers in ERA (3.53 vs 4.61) and home runs allowed (0.65 per nine innings vs 2.63). By the career numbers, Bobby Jenks 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.