Jim Peterson vs. Aldon Wilkie — Career Comparison

On the career pitching numbers, Aldon Wilkie posted a stronger line than Jim Peterson. Aldon Wilkie posted stronger numbers in ERA (4.59 vs 5.27) and WHIP (1.521 vs 1.665). By the career numbers, Aldon Wilkie 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.