Willie Collazo vs. Corey Knebel — Career Comparison

Looking at the career totals, Willie Collazo and Corey Knebel are fairly close on the surface numbers. Corey Knebel posted stronger numbers in ERA (3.26 vs 6.35) and WHIP (1.282 vs 2.294). Willie Collazo had the advantage in home runs allowed (0 per nine innings vs 1). By the career numbers, Corey Knebel 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.