Brian O'Connor vs. Carson Seymour — Career Comparison

Looking at the career totals, Brian O'Connor and Carson Seymour are fairly close on the surface numbers. Carson Seymour posted stronger numbers in ERA (4.75 vs 5.11) and WHIP (1.389 vs 1.865). Brian O'Connor had the advantage in home runs allowed (1.46 per nine innings vs 2.25). By the career numbers, Carson Seymour 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.