Wilton Lopez vs. Efrain Valdez — Career Comparison

Looking at the career totals, Wilton Lopez and Efrain Valdez are fairly close on the surface numbers. Wilton Lopez posted stronger numbers in WHIP (1.323 vs 1.588) and home runs allowed (0.8 per nine innings vs 1.06). Efrain Valdez had the advantage in ERA (2.91 vs 3.54). By the career numbers, Wilton Lopez 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.