Prelander Berroa vs. Troy Percival — Career Comparison

Looking at the career totals, Prelander Berroa and Troy Percival are fairly close on the surface numbers. Prelander Berroa posted stronger numbers in ERA (3.05 vs 3.17) and home runs allowed (0.87 per nine innings vs 1.08). Troy Percival had the advantage in WHIP (1.143 vs 1.548). By the career numbers, Prelander Berroa 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.