Willie Collazo vs. Mike Smith — Career Comparison

Looking at the career totals, Willie Collazo and Mike Smith are fairly close on the surface numbers. Mike Smith posted stronger numbers in ERA (4.71 vs 6.35) and WHIP (1.570 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.72). By the career numbers, Mike Smith 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.