Bob Hartman vs. Ken Ray — Career Comparison

On the career pitching numbers, Bob Hartman posted a stronger line than Ken Ray. Bob Hartman posted stronger numbers in WHIP (1.579 vs 1.734) and home runs allowed (0.47 per nine innings vs 1.25). By the career numbers, Bob Hartman 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.