Cha-Seung Baek vs. Lefty Williams — Career Comparison

On the career pitching numbers, Lefty Williams posted a stronger line than Cha-Seung Baek. Lefty Williams posted stronger numbers in ERA (4.41 vs 4.83) and home runs allowed (0.15 per nine innings vs 1.13). By the career numbers, Lefty Williams 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.