Henderson Alvarez vs. Paul Clemens — Career Comparison

On the career pitching numbers, Henderson Alvarez posted a stronger line than Paul Clemens. Henderson Alvarez posted stronger numbers in ERA (3.82 vs 4.89) and WHIP (1.312 vs 1.500). By the career numbers, Henderson Alvarez 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.