Daniel Ponce de Leon vs. Ron Robinson — Career Comparison

On the career pitching numbers, Ron Robinson posted a stronger line than Daniel Ponce de Leon. Ron Robinson posted stronger numbers in ERA (3.63 vs 4.33) and home runs allowed (0.69 per nine innings vs 1.28). By the career numbers, Ron Robinson 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.