John Neuer vs. Sean O'Sullivan — Career Comparison

On the career pitching numbers, John Neuer posted a stronger line than Sean O'Sullivan. John Neuer posted stronger numbers in ERA (2.17 vs 6.01) and WHIP (1.093 vs 1.616). By the career numbers, John Neuer 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.