John Gilroy vs. Mark Wohlers — Career Comparison

On the career pitching numbers, Mark Wohlers posted a stronger line than John Gilroy. Mark Wohlers posted stronger numbers in ERA (3.97 vs 6.23) and WHIP (1.431 vs 2.031). By the career numbers, Mark Wohlers 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.