Hayden Birdsong vs. Porter Moss — Career Comparison

On the career pitching numbers, Porter Moss posted a stronger line than Hayden Birdsong. Porter Moss posted stronger numbers in ERA (4.04 vs 4.77) and WHIP (1.274 vs 1.438). By the career numbers, Porter Moss 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.