Luther Hackman vs. Ken Robinson — Career Comparison

Looking at the career totals, Luther Hackman and Ken Robinson are fairly close on the surface numbers. Ken Robinson posted stronger numbers in ERA (3.91 vs 5.09) and WHIP (1.303 vs 1.590). Luther Hackman had the advantage in home runs allowed (1.1 per nine innings vs 1.49). By the career numbers, Ken Robinson 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.