J. D. Hammer vs. Jose Mujica — Career Comparison

On the career pitching numbers, J. D. Hammer posted a stronger line than Jose Mujica. J. D. Hammer posted stronger numbers in ERA (4.38 vs 12.46) and WHIP (1.538 vs 2.769). By the career numbers, J. D. Hammer 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.