Michael Kopech vs. Gavin Williams — Career Comparison

On the career pitching numbers, Gavin Williams posted a stronger line than Michael Kopech. Gavin Williams posted stronger numbers in ERA (3.54 vs 4.14) and home runs allowed (1.05 per nine innings vs 1.45). By the career numbers, Gavin Williams 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.