Regis Leheny vs. Pedro Viola — Career Comparison

Looking at the career totals, Regis Leheny and Pedro Viola are fairly close on the surface numbers. Pedro Viola posted stronger numbers in ERA (7.5 vs 16.88) and WHIP (1.667 vs 3.000). Regis Leheny had the advantage in home runs allowed (0 per nine innings vs 4.5). By the career numbers, Pedro Viola 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.