Billy Smith vs. Roy Thomas — Career Comparison

Looking at the career totals, Billy Smith and Roy Thomas are fairly close on the surface numbers. Billy Smith posted stronger numbers in ERA (3.05 vs 3.82) and WHIP (1.161 vs 1.455). Roy Thomas had the advantage in home runs allowed (0.71 per nine innings vs 1.31). By the career numbers, Billy 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.