Willie Collazo vs. Rich Loiselle — Career Comparison

Looking at the career totals, Willie Collazo and Rich Loiselle are fairly close on the surface numbers. Rich Loiselle posted stronger numbers in ERA (4.38 vs 6.35) and WHIP (1.737 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 0.88). By the career numbers, Rich Loiselle 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.