Chris Mabeus vs. John Michaelson — Career Comparison

On the career pitching numbers, John Michaelson posted a stronger line than Chris Mabeus. John Michaelson posted stronger numbers in ERA (10.13 vs 21.6) and WHIP (1.875 vs 4.200). By the career numbers, John Michaelson 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.