Pat Simmons vs. Roy Thomas — Career Comparison

Looking at the career totals, Pat Simmons and Roy Thomas are fairly close on the surface numbers. Pat Simmons posted stronger numbers in ERA (3.67 vs 3.82) and home runs allowed (0.47 per nine innings vs 0.71). Roy Thomas had the advantage in WHIP (1.455 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.