Bill Kennedy vs. John Mackinson — Career Comparison

On the career pitching numbers, Bill Kennedy posted a stronger line than John Mackinson. Bill Kennedy posted stronger numbers in ERA (6.79 vs 7.36) and home runs allowed (0.42 per nine innings vs 1.23). By the career numbers, Bill Kennedy 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.