Kei Igawa vs. John Wesley Johnson — Career Comparison

On the career pitching numbers, John Wesley Johnson posted a stronger line than Kei Igawa. John Wesley Johnson posted stronger numbers in ERA (6.39 vs 6.66) and home runs allowed (0.46 per nine innings vs 1.88). By the career numbers, John Wesley 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.