Walter Clarkson vs. Bill Williams — Career Comparison

On the career pitching numbers, Walter Clarkson posted a stronger line than Bill Williams. Walter Clarkson posted stronger numbers in ERA (3.17 vs 5.06) and WHIP (1.260 vs 1.313). By the career numbers, Walter Clarkson 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.