Francisco de la Rosa vs. Harry Staley — Career Comparison

Looking at the career totals, Francisco de la Rosa and Harry Staley are fairly close on the surface numbers. Harry Staley posted stronger numbers in ERA (3.81 vs 4.5) and WHIP (1.354 vs 2.000). Francisco de la Rosa had the advantage in home runs allowed (0 per nine innings vs 0.37). By the career numbers, Harry Staley 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.