David Hernandez vs. Henry Porter — Career Comparison

On the career pitching numbers, Henry Porter posted a stronger line than David Hernandez. Henry Porter posted stronger numbers in ERA (3.7 vs 4.12) and home runs allowed (0.22 per nine innings vs 1.22). By the career numbers, Henry Porter 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.