Kei Igawa vs. Erik Johnson — Career Comparison

Looking at the career totals, Kei Igawa and Erik Johnson are fairly close on the surface numbers. Erik Johnson posted stronger numbers in ERA (5.28 vs 6.66) and WHIP (1.632 vs 1.772). Kei Igawa had the advantage in home runs allowed (1.88 per nine innings vs 2.14). By the career numbers, Erik 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.