Francisco Barrios vs. Humberto Castellanos — Career Comparison

On the career pitching numbers, Francisco Barrios posted a stronger line than Humberto Castellanos. Francisco Barrios posted stronger numbers in ERA (4.15 vs 5.43) and WHIP (1.354 vs 1.414). By the career numbers, Francisco Barrios 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.