Antonio Alfonseca vs. Wilson Heredia — Career Comparison

Looking at the career totals, Antonio Alfonseca and Wilson Heredia are fairly close on the surface numbers. Antonio Alfonseca posted stronger numbers in WHIP (1.586 vs 1.768) and home runs allowed (0.81 per nine innings vs 1.14). Wilson Heredia had the advantage in ERA (3.41 vs 4.11). By the career numbers, Antonio Alfonseca 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.