Daulton Jefferies vs. Chuck Porter — Career Comparison

On the career pitching numbers, Chuck Porter posted a stronger line than Daulton Jefferies. Chuck Porter posted stronger numbers in ERA (4.14 vs 6.59) and home runs allowed (0.68 per nine innings vs 1.39). 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.