Paul Clemens vs. Del Mason — Career Comparison

On the career pitching numbers, Del Mason posted a stronger line than Paul Clemens. Del Mason posted stronger numbers in ERA (3.72 vs 4.89) and WHIP (1.429 vs 1.500). By the career numbers, Del Mason 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.