Unknown Hamilton vs. Charlie Robertson — Career Comparison

Looking at the career totals, Unknown Hamilton and Charlie Robertson are fairly close on the surface numbers. Charlie Robertson posted stronger numbers in ERA (4.44 vs 8.1) and WHIP (1.518 vs 2.400). Unknown Hamilton had the advantage in home runs allowed (0 per nine innings vs 0.34). By the career numbers, Charlie Robertson 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.