David Aardsma vs. Bob Caruthers — Career Comparison

On the career pitching numbers, Bob Caruthers posted a stronger line than David Aardsma. Bob Caruthers posted stronger numbers in ERA (2.83 vs 4.27) and WHIP (1.158 vs 1.487). By the career numbers, Bob Caruthers 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.