Rudy Arias vs. Jack O'Connor — Career Comparison

Looking at the career totals, Rudy Arias and Jack O'Connor are fairly close on the surface numbers. Jack O'Connor posted stronger numbers in WHIP (1.657 vs 1.727) and home runs allowed (1.02 per nine innings vs 1.43). Rudy Arias had the advantage in ERA (4.09 vs 4.89). By the career numbers, Jack O'Connor 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.