Brian O'Connor vs. John Sutton — Career Comparison

On the career pitching numbers, John Sutton posted a stronger line than Brian O'Connor. John Sutton posted stronger numbers in ERA (3.15 vs 5.11) and WHIP (1.485 vs 1.865). By the career numbers, John Sutton 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.