Pol Perritt vs. Adam Peterson — Career Comparison

On the career pitching numbers, Pol Perritt posted a stronger line than Adam Peterson. Pol Perritt posted stronger numbers in ERA (2.89 vs 5.46) and WHIP (1.229 vs 1.516). By the career numbers, Pol Perritt 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.