Ray Boyd vs. Bill Williams — Career Comparison

On the career pitching numbers, Ray Boyd posted a stronger line than Bill Williams. Ray Boyd posted stronger numbers in ERA (3.09 vs 5.06) and home runs allowed (0 per nine innings vs 1.69). By the career numbers, Ray Boyd 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.