Billy Palmer vs. Orlando Peña — Career Comparison

Looking at the career totals, Billy Palmer and Orlando Peña are fairly close on the surface numbers. Billy Palmer posted stronger numbers in ERA (3.44 vs 3.71) and home runs allowed (0.53 per nine innings vs 1.13). Orlando Peña had the advantage in WHIP (1.305 vs 1.941). By the career numbers, Billy Palmer 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.