Adam Liberatore vs. Michael Roth — Career Comparison

On the career pitching numbers, Adam Liberatore posted a stronger line than Michael Roth. Adam Liberatore posted stronger numbers in ERA (3.55 vs 8.5) and WHIP (1.320 vs 1.889). By the career numbers, Adam Liberatore 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.