Christian Bergman vs. Fritz Peterson — Career Comparison

On the career pitching numbers, Fritz Peterson posted a stronger line than Christian Bergman. Fritz Peterson posted stronger numbers in ERA (3.3 vs 5.59) and WHIP (1.225 vs 1.493). By the career numbers, Fritz Peterson 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.