Xavier Hernandez vs. Pat Simmons — Career Comparison

Looking at the career totals, Xavier Hernandez and Pat Simmons are fairly close on the surface numbers. Pat Simmons posted stronger numbers in ERA (3.67 vs 3.9) and home runs allowed (0.47 per nine innings vs 0.9). Xavier Hernandez had the advantage in WHIP (1.376 vs 1.526). By the career numbers, Pat Simmons 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.