Manny Acosta vs. Matt Duff — Career Comparison

Looking at the career totals, Manny Acosta and Matt Duff are fairly close on the surface numbers. Manny Acosta posted stronger numbers in ERA (3.99 vs 4.76) and WHIP (1.456 vs 2.294). Matt Duff had the advantage in home runs allowed (0 per nine innings vs 1.09). By the career numbers, Manny Acosta 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.