Jose Acosta vs. Jim Duffalo — Career Comparison

Looking at the career totals, Jose Acosta and Jim Duffalo are fairly close on the surface numbers. Jim Duffalo posted stronger numbers in ERA (3.39 vs 4.51) and WHIP (1.428 vs 1.561). Jose Acosta had the advantage in home runs allowed (0.38 per nine innings vs 0.82). By the career numbers, Jim Duffalo 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.