Hayden Birdsong vs. Dennis Martinez — Career Comparison

On the career pitching numbers, Dennis Martinez posted a stronger line than Hayden Birdsong. Dennis Martinez posted stronger numbers in ERA (3.7 vs 4.77) and WHIP (1.283 vs 1.438). By the career numbers, Dennis Martinez 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.