Prelander Berroa vs. Diomedes Olivo — Career Comparison

On the career pitching numbers, Diomedes Olivo posted a stronger line than Prelander Berroa. Diomedes Olivo posted stronger numbers in WHIP (1.491 vs 1.548) and home runs allowed (0.59 per nine innings vs 0.87). By the career numbers, Diomedes Olivo 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.