John Holdzkom vs. Ron Mahay — Career Comparison

On the career pitching numbers, John Holdzkom posted a stronger line than Ron Mahay. John Holdzkom posted stronger numbers in ERA (2 vs 3.83) and WHIP (0.667 vs 1.456). By the career numbers, John Holdzkom 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.