Ubaldo Jimenez vs. Izzy Leon — Career Comparison

Looking at the career totals, Ubaldo Jimenez and Izzy Leon are fairly close on the surface numbers. Ubaldo Jimenez posted stronger numbers in ERA (4.34 vs 5.35) and WHIP (1.410 vs 1.759). Izzy Leon had the advantage in home runs allowed (0.7 per nine innings vs 0.9). By the career numbers, Ubaldo Jimenez 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.