Unknown Hamilton vs. Silvino Ruíz — Career Comparison

Looking at the career totals, Unknown Hamilton and Silvino Ruíz are fairly close on the surface numbers. Silvino Ruíz posted stronger numbers in ERA (4.47 vs 8.1) and WHIP (1.449 vs 2.400). Unknown Hamilton had the advantage in home runs allowed (0 per nine innings vs 0.69). By the career numbers, Silvino Ruíz 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.