Sean O'Sullivan vs. John Taylor — Career Comparison

On the career pitching numbers, John Taylor posted a stronger line than Sean O'Sullivan. John Taylor posted stronger numbers in ERA (4.49 vs 6.01) and WHIP (1.467 vs 1.616). By the career numbers, John Taylor 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.