Roenis Elias vs. Bill Williams — Career Comparison

On the career pitching numbers, Roenis Elias posted a stronger line than Bill Williams. Roenis Elias posted stronger numbers in ERA (3.96 vs 5.06) and home runs allowed (1.02 per nine innings vs 1.69). By the career numbers, Roenis Elias 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.