Patsy Flaherty vs. Michael Kopech — Career Comparison

On the career pitching numbers, Patsy Flaherty posted a stronger line than Michael Kopech. Patsy Flaherty posted stronger numbers in ERA (3.1 vs 4.14) and WHIP (1.246 vs 1.333). By the career numbers, Patsy Flaherty 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.