Christian Bergman vs. John Leister — Career Comparison

On the career pitching numbers, Christian Bergman posted a stronger line than John Leister. Christian Bergman posted stronger numbers in ERA (5.59 vs 8.5) and WHIP (1.493 vs 2.028). By the career numbers, Christian Bergman 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.