David Aardsma vs. Carlisle Littlejohn — Career Comparison

On the career pitching numbers, Carlisle Littlejohn posted a stronger line than David Aardsma. Carlisle Littlejohn posted stronger numbers in ERA (4.14 vs 4.27) and home runs allowed (0.73 per nine innings vs 1.09). By the career numbers, Carlisle Littlejohn 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.