Christian Bergman vs. Johnny Niggeling — Career Comparison

On the career pitching numbers, Johnny Niggeling posted a stronger line than Christian Bergman. Johnny Niggeling posted stronger numbers in ERA (3.22 vs 5.59) and WHIP (1.301 vs 1.493). By the career numbers, Johnny Niggeling 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.