Josias Manzanillo vs. Jim Peterson — Career Comparison

Looking at the career totals, Josias Manzanillo and Jim Peterson are fairly close on the surface numbers. Josias Manzanillo posted stronger numbers in ERA (4.71 vs 5.27) and WHIP (1.471 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.21). By the career numbers, Josias Manzanillo 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.