Jaye Chapman vs. Fred Hayner — Career Comparison

On the career pitching numbers, Jaye Chapman posted a stronger line than Fred Hayner. Jaye Chapman posted stronger numbers in ERA (3.75 vs 13.5) and WHIP (1.667 vs 3.000). By the career numbers, Jaye Chapman 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.