Willie Collazo vs. Mack Stewart — Career Comparison

Looking at the career totals, Willie Collazo and Mack Stewart are fairly close on the surface numbers. Mack Stewart posted stronger numbers in ERA (3.76 vs 6.35) and WHIP (1.623 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.22). By the career numbers, Mack Stewart 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.