Xavier Hernandez vs. Carson Seymour — Career Comparison

On the career pitching numbers, Xavier Hernandez posted a stronger line than Carson Seymour. Xavier Hernandez posted stronger numbers in ERA (3.9 vs 4.75) and home runs allowed (0.9 per nine innings vs 2.25). By the career numbers, Xavier Hernandez 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.