Sean O'Sullivan vs. Steven Wright — Career Comparison

On the career pitching numbers, Steven Wright posted a stronger line than Sean O'Sullivan. Steven Wright posted stronger numbers in ERA (3.86 vs 6.01) and WHIP (1.337 vs 1.616). By the career numbers, Steven Wright 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.