Unknown Hamilton vs. Jeff Robinson — Career Comparison

Looking at the career totals, Unknown Hamilton and Jeff Robinson are fairly close on the surface numbers. Jeff Robinson posted stronger numbers in ERA (4.79 vs 8.1) and WHIP (1.468 vs 2.400). Unknown Hamilton had the advantage in home runs allowed (0 per nine innings vs 1.12). By the career numbers, Jeff 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.