Jim Colborn vs. Robert Ray — Career Comparison

On the career pitching numbers, Jim Colborn posted a stronger line than Robert Ray. Jim Colborn posted stronger numbers in ERA (3.8 vs 4.18) and home runs allowed (0.86 per nine innings vs 1.29). By the career numbers, Jim Colborn 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.