Firpo Marberry vs. John Poloni — Career Comparison

On the career pitching numbers, Firpo Marberry posted a stronger line than John Poloni. Firpo Marberry posted stronger numbers in ERA (3.63 vs 6.43) and home runs allowed (0.42 per nine innings vs 1.29). By the career numbers, Firpo Marberry 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.