Orlando Peña vs. Jim Sullivan — Career Comparison

Looking at the career totals, Orlando Peña and Jim Sullivan are fairly close on the surface numbers. Orlando Peña posted stronger numbers in ERA (3.71 vs 5.52) and WHIP (1.305 vs 1.950). Jim Sullivan had the advantage in home runs allowed (0.37 per nine innings vs 1.13). By the career numbers, Orlando Peña 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.