Ian Hamilton vs. Arcenio Leon — Career Comparison

Looking at the career totals, Ian Hamilton and Arcenio Leon are fairly close on the surface numbers. Ian Hamilton posted stronger numbers in ERA (3.59 vs 12.15) and WHIP (1.297 vs 2.100). Arcenio Leon had the advantage in home runs allowed (0 per nine innings vs 0.72). By the career numbers, Ian Hamilton 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.