Joe Kohlman vs. John Rooney — Career Comparison

On the career pitching numbers, Joe Kohlman posted a stronger line than John Rooney. Joe Kohlman posted stronger numbers in ERA (5.27 vs 6.75) and home runs allowed (0.33 per nine innings vs 6.75). By the career numbers, Joe Kohlman 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.