Jonathan Aro vs. Locke St. John — Career Comparison

Looking at the career totals, Jonathan Aro and Locke St. John are fairly close on the surface numbers. Jonathan Aro posted stronger numbers in ERA (6.55 vs 7.27) and home runs allowed (1.64 per nine innings vs 2.08). Locke St. John had the advantage in WHIP (1.615 vs 1.909). By the career numbers, Jonathan Aro 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.