Chia-Jen Lo vs. Leon Williams — Career Comparison

Looking at the career totals, Chia-Jen Lo and Leon Williams are fairly close on the surface numbers. Chia-Jen Lo posted stronger numbers in ERA (4.19 vs 5.4) and WHIP (1.397 vs 2.160). Leon Williams had the advantage in home runs allowed (0 per nine innings vs 0.93). By the career numbers, Chia-Jen Lo 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.