Rudy Arroyo vs. Willie Collazo — Career Comparison

Looking at the career totals, Rudy Arroyo and Willie Collazo are fairly close on the surface numbers. Rudy Arroyo posted stronger numbers in ERA (5.4 vs 6.35) and WHIP (2.057 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 1.54). By the career numbers, Rudy Arroyo 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.