Spencer Arrighetti vs. Don Lee — Career Comparison

On the career pitching numbers, Don Lee posted a stronger line than Spencer Arrighetti. Don Lee posted stronger numbers in ERA (3.61 vs 4.69) and WHIP (1.355 vs 1.409). By the career numbers, Don Lee 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.