John Duffie vs. Cal Quantrill — Career Comparison

Looking at the career totals, John Duffie and Cal Quantrill are fairly close on the surface numbers. John Duffie posted stronger numbers in ERA (2.79 vs 4.35) and home runs allowed (0.93 per nine innings vs 1.2). Cal Quantrill had the advantage in WHIP (1.337 vs 1.655). 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.