Brian O'Connor vs. J. D. Smart — Career Comparison

Looking at the career totals, Brian O'Connor and J. D. Smart are fairly close on the surface numbers. J. D. Smart posted stronger numbers in WHIP (1.426 vs 1.865) and home runs allowed (0.94 per nine innings vs 1.46). Brian O'Connor had the advantage in ERA (5.11 vs 5.35). By the career numbers, J. D. Smart 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.