Hayden Birdsong vs. Danny MacFayden — Career Comparison

On the career pitching numbers, Danny MacFayden posted a stronger line than Hayden Birdsong. Danny MacFayden posted stronger numbers in ERA (3.96 vs 4.77) and home runs allowed (0.37 per nine innings vs 1.37). By the career numbers, Danny MacFayden 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.