Denis Boucher vs. Roansy Contreras — Career Comparison

On the career pitching numbers, Roansy Contreras posted a stronger line than Denis Boucher. Roansy Contreras posted stronger numbers in ERA (4.77 vs 5.42) and WHIP (1.407 vs 1.548). By the career numbers, Roansy Contreras 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.