John Duffie vs. Harry Juul — Career Comparison

Looking at the career totals, John Duffie and Harry Juul are fairly close on the surface numbers. John Duffie posted stronger numbers in ERA (2.79 vs 6.21) and WHIP (1.655 vs 1.966). Harry Juul had the advantage in home runs allowed (0 per nine innings vs 0.93). By the career numbers, John Duffie 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.