Orlando Peña vs. Carroll Sembera — Career Comparison

Looking at the career totals, Orlando Peña and Carroll Sembera are fairly close on the surface numbers. Orlando Peña posted stronger numbers in ERA (3.71 vs 4.7) and WHIP (1.305 vs 1.668). Carroll Sembera had the advantage in home runs allowed (0.84 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.