John Flavin vs. Orlando Peña — Career Comparison

Looking at the career totals, John Flavin and Orlando Peña are fairly close on the surface numbers. Orlando Peña posted stronger numbers in ERA (3.71 vs 13.5) and WHIP (1.305 vs 3.214). John Flavin had the advantage in home runs allowed (0 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.