Manny Hernandez vs. Donald Jarmon — Career Comparison

On the career pitching numbers, Manny Hernandez posted a stronger line than Donald Jarmon. Manny Hernandez posted stronger numbers in ERA (4.47 vs 11.37) and WHIP (1.570 vs 1.974). By the career numbers, Manny Hernandez 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.