John Littlefield vs. Mason Thompson — Career Comparison

On the career pitching numbers, John Littlefield posted a stronger line than Mason Thompson. John Littlefield posted stronger numbers in ERA (3.39 vs 5.21) and WHIP (1.431 vs 1.667). By the career numbers, John Littlefield 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.