Ubaldo Heredia vs. Buck Marrow — Career Comparison

Looking at the career totals, Ubaldo Heredia and Buck Marrow are fairly close on the surface numbers. Buck Marrow posted stronger numbers in ERA (5.06 vs 5.4) and home runs allowed (0.81 per nine innings vs 1.8). Ubaldo Heredia had the advantage in WHIP (1.400 vs 1.615). By the career numbers, Buck Marrow 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.