Clayton Mortensen vs. Roy Smith — Career Comparison

On the career pitching numbers, Clayton Mortensen posted a stronger line than Roy Smith. Clayton Mortensen posted stronger numbers in ERA (4.68 vs 5.24) and WHIP (1.470 vs 1.970). By the career numbers, Clayton Mortensen 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.