Mark Leiter vs. Roy Mitchell — Career Comparison

On the career pitching numbers, Roy Mitchell posted a stronger line than Mark Leiter. Roy Mitchell posted stronger numbers in ERA (3.42 vs 4.57) and WHIP (1.349 vs 1.412). By the career numbers, Roy Mitchell 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.