Brian O'Connor vs. Matt Whiteside — Career Comparison

Looking at the career totals, Brian O'Connor and Matt Whiteside are fairly close on the surface numbers. Matt Whiteside posted stronger numbers in WHIP (1.559 vs 1.865) and home runs allowed (1.15 per nine innings vs 1.46). Brian O'Connor had the advantage in ERA (5.11 vs 5.23). By the career numbers, Matt Whiteside 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.