Jonathan Aro vs. Dean Deetz — Career Comparison

Looking at the career totals, Jonathan Aro and Dean Deetz are fairly close on the surface numbers. Dean Deetz posted stronger numbers in ERA (5.4 vs 6.55) and WHIP (1.500 vs 1.909). Jonathan Aro had the advantage in home runs allowed (1.64 per nine innings vs 2.7). By the career numbers, Dean Deetz 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.