Hayden Birdsong vs. Mike Moore — Career Comparison

On the career pitching numbers, Mike Moore posted a stronger line than Hayden Birdsong. Mike Moore posted stronger numbers in ERA (4.39 vs 4.77) and home runs allowed (0.92 per nine innings vs 1.37). By the career numbers, Mike Moore 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.