Lou Fette vs. Michael Kopech — Career Comparison

On the career pitching numbers, Lou Fette posted a stronger line than Michael Kopech. Lou Fette posted stronger numbers in ERA (3.15 vs 4.14) and home runs allowed (0.31 per nine innings vs 1.45). By the career numbers, Lou Fette 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.