Unknown Hamilton vs. Ray Robinson — Career Comparison

Looking at the career totals, Unknown Hamilton and Ray Robinson are fairly close on the surface numbers. Ray Robinson posted stronger numbers in ERA (7.76 vs 8.1) and WHIP (1.765 vs 2.400). Unknown Hamilton had the advantage in home runs allowed (0 per nine innings vs 0.35). By the career numbers, Ray Robinson 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.