Mason Barnett vs. John Thomson — Career Comparison

On the career pitching numbers, John Thomson posted a stronger line than Mason Barnett. John Thomson posted stronger numbers in ERA (4.68 vs 6.85) and WHIP (1.411 vs 1.657). By the career numbers, John Thomson 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.