Aaron Barrett vs. Willie Collazo — Career Comparison

Looking at the career totals, Aaron Barrett and Willie Collazo are fairly close on the surface numbers. Aaron Barrett posted stronger numbers in ERA (4.01 vs 6.35) and WHIP (1.405 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.36). By the career numbers, Aaron Barrett 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.