Kohei Arihara vs. Unknown Hamilton — Career Comparison

Looking at the career totals, Kohei Arihara and Unknown Hamilton are fairly close on the surface numbers. Kohei Arihara posted stronger numbers in ERA (7.57 vs 8.1) and WHIP (1.731 vs 2.400). Unknown Hamilton had the advantage in home runs allowed (0 per nine innings vs 2.23). By the career numbers, Kohei Arihara 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.