Hayden Birdsong vs. Dave McNally — Career Comparison

On the career pitching numbers, Dave McNally posted a stronger line than Hayden Birdsong. Dave McNally posted stronger numbers in ERA (3.24 vs 4.77) and WHIP (1.234 vs 1.438). By the career numbers, Dave McNally 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.