Hayden Birdsong vs. Cisco Carlos — Career Comparison

On the career pitching numbers, Cisco Carlos posted a stronger line than Hayden Birdsong. Cisco Carlos posted stronger numbers in ERA (3.72 vs 4.77) and WHIP (1.304 vs 1.438). By the career numbers, Cisco Carlos 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.