Brian O'Connor vs. Bruce Rondon — Career Comparison

Looking at the career totals, Brian O'Connor and Bruce Rondon are fairly close on the surface numbers. Bruce Rondon posted stronger numbers in WHIP (1.592 vs 1.865) and home runs allowed (0.76 per nine innings vs 1.46). Brian O'Connor had the advantage in ERA (5.11 vs 5.73). By the career numbers, Bruce Rondon 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.