Cha-Seung Baek vs. Bill Williams — Career Comparison

On the career pitching numbers, Cha-Seung Baek posted a stronger line than Bill Williams. Cha-Seung Baek posted stronger numbers in ERA (4.83 vs 5.06) and home runs allowed (1.13 per nine innings vs 1.69). By the career numbers, Cha-Seung Baek 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.