Jimmy Mayo vs. Chuck Porter — Career Comparison

Looking at the career totals, Jimmy Mayo and Chuck Porter are fairly close on the surface numbers. Jimmy Mayo posted stronger numbers in ERA (2.81 vs 4.14) and home runs allowed (0 per nine innings vs 0.68). Chuck Porter had the advantage in WHIP (1.418 vs 1.563). By the career numbers, Jimmy Mayo 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.