Spencer Arrighetti vs. Ernie Koob — Career Comparison

On the career pitching numbers, Ernie Koob posted a stronger line than Spencer Arrighetti. Ernie Koob posted stronger numbers in ERA (3.13 vs 4.69) and WHIP (1.348 vs 1.409). By the career numbers, Ernie Koob 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.