Felipe Armas vs. Hyun Jin Ryu — Career Comparison

Looking at the career totals, Felipe Armas and Hyun Jin Ryu are fairly close on the surface numbers. Hyun Jin Ryu posted stronger numbers in ERA (3.27 vs 11.37) and WHIP (1.196 vs 2.684). Felipe Armas had the advantage in home runs allowed (0 per nine innings vs 0.99). By the career numbers, Hyun Jin Ryu 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.