Hayden Birdsong vs. Willie Cornelius — Career Comparison

On the career pitching numbers, Willie Cornelius posted a stronger line than Hayden Birdsong. Willie Cornelius posted stronger numbers in ERA (4.54 vs 4.77) and home runs allowed (0.33 per nine innings vs 1.37). By the career numbers, Willie Cornelius 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.