John Courtright vs. Arcenio Leon — Career Comparison

On the career pitching numbers, John Courtright posted a stronger line than Arcenio Leon. John Courtright posted stronger numbers in ERA (9 vs 12.15) and WHIP (2.000 vs 2.100). By the career numbers, John Courtright 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.