Ryan Karp vs. Brian O'Connor — Career Comparison

Looking at the career totals, Ryan Karp and Brian O'Connor are fairly close on the surface numbers. Ryan Karp posted stronger numbers in WHIP (1.471 vs 1.865) and home runs allowed (1.06 per nine innings vs 1.46). Brian O'Connor had the advantage in ERA (5.11 vs 5.29). By the career numbers, Ryan Karp 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.