Unknown Hamilton vs. Ryan Rowland-Smith — Career Comparison

Looking at the career totals, Unknown Hamilton and Ryan Rowland-Smith are fairly close on the surface numbers. Ryan Rowland-Smith posted stronger numbers in ERA (4.57 vs 8.1) and WHIP (1.432 vs 2.400). Unknown Hamilton had the advantage in home runs allowed (0 per nine innings vs 1.24). By the career numbers, Ryan Rowland-Smith 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.