Hayden Birdsong vs. Chris Capuano — Career Comparison

On the career pitching numbers, Chris Capuano posted a stronger line than Hayden Birdsong. Chris Capuano posted stronger numbers in ERA (4.38 vs 4.77) and WHIP (1.384 vs 1.438). By the career numbers, Chris Capuano 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.