Jonathan Aro vs. Jose Valdez — Career Comparison

Looking at the career totals, Jonathan Aro and Jose Valdez are fairly close on the surface numbers. Jose Valdez posted stronger numbers in ERA (6.34 vs 6.55) and WHIP (1.482 vs 1.909). Jonathan Aro had the advantage in home runs allowed (1.64 per nine innings vs 2.77). By the career numbers, Jose Valdez 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.