Van Fletcher vs. Jack O'Connor — Career Comparison

On the career pitching numbers, Van Fletcher posted a stronger line than Jack O'Connor. Van Fletcher posted stronger numbers in ERA (3 vs 4.89) and WHIP (1.333 vs 1.657). By the career numbers, Van Fletcher 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.