Roger Miller vs. Roy Thomas — Career Comparison

Looking at the career totals, Roger Miller and Roy Thomas are fairly close on the surface numbers. Roy Thomas posted stronger numbers in ERA (3.82 vs 11.57) and home runs allowed (0.71 per nine innings vs 3.86). Roger Miller had the advantage in WHIP (1.286 vs 1.455). By the career numbers, Roy Thomas 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.