Michael Kopech vs. Frank Owen — Career Comparison

On the career pitching numbers, Frank Owen posted a stronger line than Michael Kopech. Frank Owen posted stronger numbers in ERA (2.55 vs 4.14) and WHIP (1.131 vs 1.333). By the career numbers, Frank Owen 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.