Kenny Rosenberg vs. Luther Roy — Career Comparison

Looking at the career totals, Kenny Rosenberg and Luther Roy are fairly close on the surface numbers. Kenny Rosenberg posted stronger numbers in ERA (4.66 vs 7.17) and WHIP (1.507 vs 1.893). Luther Roy had the advantage in home runs allowed (0.79 per nine innings vs 1.2). By the career numbers, Kenny Rosenberg 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.