Michael Kopech vs. Ray Starr — Career Comparison

On the career pitching numbers, Ray Starr posted a stronger line than Michael Kopech. Ray Starr posted stronger numbers in ERA (3.53 vs 4.14) and home runs allowed (0.42 per nine innings vs 1.45). By the career numbers, Ray Starr 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.