John Allen vs. Robinson Leyer — Career Comparison

On the career pitching numbers, John Allen posted a stronger line than Robinson Leyer. John Allen posted stronger numbers in ERA (18 vs 21.21) and WHIP (2.000 vs 4.286). By the career numbers, John Allen 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.