Hayden Birdsong vs. Walter McCoy — Career Comparison

On the career pitching numbers, Walter McCoy posted a stronger line than Hayden Birdsong. Walter McCoy posted stronger numbers in ERA (3.72 vs 4.77) and WHIP (1.360 vs 1.438). By the career numbers, Walter McCoy 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.