Eric Hacker vs. Ken Ray — Career Comparison

On the career pitching numbers, Eric Hacker posted a stronger line than Ken Ray. Eric Hacker posted stronger numbers in ERA (4 vs 5.13) and home runs allowed (1 per nine innings vs 1.25). By the career numbers, Eric Hacker 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.