Grant Jackson vs. Doug Smith — Career Comparison

On the career pitching numbers, Doug Smith posted a stronger line than Grant Jackson. Doug Smith posted stronger numbers in ERA (3 vs 3.46) and home runs allowed (0 per nine innings vs 0.72). By the career numbers, Doug Smith 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.