Matt Miller vs. Zack Weiss — Career Comparison

On the career pitching numbers, Matt Miller posted a stronger line than Zack Weiss. Matt Miller posted stronger numbers in ERA (2.72 vs 4.61) and home runs allowed (0.34 per nine innings vs 2.63). By the career numbers, Matt Miller 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.