Jesse Jefferson vs. Chuck Porter — Career Comparison

On the career pitching numbers, Chuck Porter posted a stronger line than Jesse Jefferson. Chuck Porter posted stronger numbers in ERA (4.14 vs 4.81) and WHIP (1.418 vs 1.560). By the career numbers, Chuck Porter 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.