David Aardsma vs. Rex Dawson — Career Comparison

On the career pitching numbers, Rex Dawson posted a stronger line than David Aardsma. Rex Dawson posted stronger numbers in ERA (0 vs 4.27) and WHIP (1.000 vs 1.487). By the career numbers, Rex Dawson 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.