Jack Leathersich vs. Wandy Peralta — Career Comparison

Looking at the career totals, Jack Leathersich and Wandy Peralta are fairly close on the surface numbers. Jack Leathersich posted stronger numbers in ERA (2.7 vs 3.77) and home runs allowed (0 per nine innings vs 1.01). Wandy Peralta had the advantage in WHIP (1.363 vs 1.740). By the career numbers, Jack Leathersich 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.