Isidro Marquez vs. Cliff Young — Career Comparison

On the career pitching numbers, Cliff Young posted a stronger line than Isidro Marquez. Cliff Young posted stronger numbers in ERA (4.25 vs 6.75) and WHIP (1.514 vs 1.650). By the career numbers, Cliff Young 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.