Jonathan Aro vs. Chad Smith — Career Comparison

Looking at the career totals, Jonathan Aro and Chad Smith are fairly close on the surface numbers. Chad Smith posted stronger numbers in WHIP (1.674 vs 1.909) and home runs allowed (1.14 per nine innings vs 1.64). Jonathan Aro had the advantage in ERA (6.55 vs 7.11). By the career numbers, Chad Smith 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.