Willie Collazo vs. Mike Dunn — Career Comparison

Looking at the career totals, Willie Collazo and Mike Dunn are fairly close on the surface numbers. Mike Dunn posted stronger numbers in ERA (4 vs 6.35) and WHIP (1.447 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.97). By the career numbers, Mike Dunn 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.