Antonio Alfonseca vs. Cam Booser — Career Comparison

Looking at the career totals, Antonio Alfonseca and Cam Booser are fairly close on the surface numbers. Antonio Alfonseca posted stronger numbers in ERA (4.11 vs 4.28) and home runs allowed (0.81 per nine innings vs 1.59). Cam Booser had the advantage in WHIP (1.439 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.