Willie Collazo vs. Byung-Hyun Kim — Career Comparison

Looking at the career totals, Willie Collazo and Byung-Hyun Kim are fairly close on the surface numbers. Byung-Hyun Kim posted stronger numbers in ERA (4.42 vs 6.35) and WHIP (1.417 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 1.01). By the career numbers, Byung-Hyun Kim 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.