Dave Leiper vs. Mason Thompson — Career Comparison

On the career pitching numbers, Dave Leiper posted a stronger line than Mason Thompson. Dave Leiper posted stronger numbers in ERA (3.98 vs 5.21) and WHIP (1.486 vs 1.667). By the career numbers, Dave Leiper 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.