Jay Baller vs. Willie Collazo — Career Comparison

Looking at the career totals, Jay Baller and Willie Collazo are fairly close on the surface numbers. Jay Baller posted stronger numbers in ERA (5.24 vs 6.35) and WHIP (1.676 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 1.5). By the career numbers, Jay Baller 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.