Mason Barnett vs. Jesse Jefferson — Career Comparison

On the career pitching numbers, Jesse Jefferson posted a stronger line than Mason Barnett. Jesse Jefferson posted stronger numbers in ERA (4.81 vs 6.85) and WHIP (1.560 vs 1.657). By the career numbers, Jesse Jefferson 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.