Willie Collazo vs. Frank Dwyer — Career Comparison

Looking at the career totals, Willie Collazo and Frank Dwyer are fairly close on the surface numbers. Frank Dwyer posted stronger numbers in ERA (3.84 vs 6.35) and WHIP (1.446 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.34). By the career numbers, Frank Dwyer 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.