Sammy Peralta vs. A. J. Puk — Career Comparison

Looking at the career totals, Sammy Peralta and A. J. Puk are fairly close on the surface numbers. A. J. Puk posted stronger numbers in ERA (3.53 vs 5.12) and WHIP (1.225 vs 1.774). Sammy Peralta had the advantage in home runs allowed (0.79 per nine innings vs 1.03). By the career numbers, A. J. Puk 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.