Jose DeLeon vs. Bill Williams — Career Comparison

On the career pitching numbers, Jose DeLeon posted a stronger line than Bill Williams. Jose DeLeon posted stronger numbers in ERA (3.76 vs 5.06) and home runs allowed (0.73 per nine innings vs 1.69). By the career numbers, Jose DeLeon 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.