Andre Jackson vs. Ken Johnson — Career Comparison

On the career pitching numbers, Ken Johnson posted a stronger line than Andre Jackson. Ken Johnson posted stronger numbers in ERA (3.46 vs 4.25) and home runs allowed (0.81 per nine innings vs 1.31). By the career numbers, Ken Johnson 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.