Adam Peterson vs. Andy Porter — Career Comparison

On the career pitching numbers, Andy Porter posted a stronger line than Adam Peterson. Andy Porter posted stronger numbers in ERA (4.24 vs 5.46) and WHIP (1.388 vs 1.516). By the career numbers, Andy Porter 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.