Joe Gibbon vs. Jack Leiter — Career Comparison

On the career pitching numbers, Joe Gibbon posted a stronger line than Jack Leiter. Joe Gibbon posted stronger numbers in ERA (3.52 vs 4.8) and home runs allowed (0.59 per nine innings vs 1.2). By the career numbers, Joe Gibbon 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.