Antonio Alfonseca vs. Diego Moreno — Career Comparison

Looking at the career totals, Antonio Alfonseca and Diego Moreno are fairly close on the surface numbers. Antonio Alfonseca posted stronger numbers in ERA (4.11 vs 5.06) and home runs allowed (0.81 per nine innings vs 1.13). Diego Moreno had the advantage in WHIP (1.250 vs 1.586). 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.