Jonathan Aro vs. Les Henderson — Career Comparison

Looking at the career totals, Jonathan Aro and Les Henderson are fairly close on the surface numbers. Les Henderson posted stronger numbers in ERA (0 vs 6.55) and home runs allowed (0 per nine innings vs 1.64). Jonathan Aro had the advantage in WHIP (1.909 vs 3.000). By the career numbers, Les Henderson 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.