Michael Blazek vs. Willie Collazo — Career Comparison

Looking at the career totals, Michael Blazek and Willie Collazo are fairly close on the surface numbers. Michael Blazek posted stronger numbers in ERA (4.5 vs 6.35) and WHIP (1.516 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 1.41). By the career numbers, Michael Blazek 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.