Isidro Marquez vs. Bill Wilkinson — Career Comparison

On the career pitching numbers, Bill Wilkinson posted a stronger line than Isidro Marquez. Bill Wilkinson posted stronger numbers in ERA (4.13 vs 6.75) and WHIP (1.244 vs 1.650). By the career numbers, Bill Wilkinson 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.