David Hernandez vs. Abner Powell — Career Comparison

On the career pitching numbers, Abner Powell posted a stronger line than David Hernandez. Abner Powell posted stronger numbers in ERA (4 vs 4.12) and home runs allowed (0.21 per nine innings vs 1.22). By the career numbers, Abner Powell 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.