Shawn Kelley vs. Zack Weiss — Career Comparison

On the career pitching numbers, Shawn Kelley posted a stronger line than Zack Weiss. Shawn Kelley posted stronger numbers in ERA (3.8 vs 4.61) and home runs allowed (1.47 per nine innings vs 2.63). By the career numbers, Shawn Kelley 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.