Mark Prior vs. Bob Romby — Career Comparison

On the career pitching numbers, Bob Romby posted a stronger line than Mark Prior. Bob Romby posted stronger numbers in ERA (2.9 vs 3.51) and home runs allowed (0.08 per nine innings vs 1.05). By the career numbers, Bob Romby 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.