Chris Mabeus vs. Blake Treinen — Career Comparison

On the career pitching numbers, Blake Treinen posted a stronger line than Chris Mabeus. Blake Treinen posted stronger numbers in ERA (2.9 vs 21.6) and WHIP (1.277 vs 4.200). By the career numbers, Blake Treinen 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.