Dan Casey vs. Willie Collazo — Career Comparison

Looking at the career totals, Dan Casey and Willie Collazo are fairly close on the surface numbers. Dan Casey posted stronger numbers in ERA (3.18 vs 6.35) and WHIP (1.313 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.23). By the career numbers, Dan Casey 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.