Pierson Ohl vs. Ken Robinson — Career Comparison

On the career pitching numbers, Ken Robinson posted a stronger line than Pierson Ohl. Ken Robinson posted stronger numbers in ERA (3.91 vs 5.1) and WHIP (1.303 vs 1.500). 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.