Sean O'Sullivan vs. Paul Wagner — Career Comparison

On the career pitching numbers, Paul Wagner posted a stronger line than Sean O'Sullivan. Paul Wagner posted stronger numbers in ERA (4.83 vs 6.01) and WHIP (1.527 vs 1.616). By the career numbers, Paul Wagner 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.