David Manning vs. John Poloni — Career Comparison

On the career pitching numbers, John Poloni posted a stronger line than David Manning. John Poloni posted stronger numbers in ERA (6.43 vs 16.2) and WHIP (1.286 vs 2.850). By the career numbers, John Poloni 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.