John Andrews vs. Brian O'Connor — Career Comparison

On the career pitching numbers, John Andrews posted a stronger line than Brian O'Connor. John Andrews posted stronger numbers in ERA (4.42 vs 5.11) and WHIP (1.527 vs 1.865). By the career numbers, John Andrews 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.