Kohei Arihara vs. Tommy Hanson — Career Comparison

On the career pitching numbers, Tommy Hanson posted a stronger line than Kohei Arihara. Tommy Hanson posted stronger numbers in ERA (3.8 vs 7.57) and WHIP (1.304 vs 1.731). By the career numbers, Tommy Hanson 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.