Gerry Janeski vs. Wily Peralta — Career Comparison

Looking at the career totals, Gerry Janeski and Wily Peralta are fairly close on the surface numbers. Wily Peralta posted stronger numbers in ERA (4.29 vs 4.73) and WHIP (1.458 vs 1.600). Gerry Janeski had the advantage in home runs allowed (0.87 per nine innings vs 1.09). By the career numbers, Wily Peralta 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.