Keith Comstock vs. Pedro Villarreal — Career Comparison

On the career pitching numbers, Keith Comstock posted a stronger line than Pedro Villarreal. Keith Comstock posted stronger numbers in ERA (4.06 vs 4.29) and home runs allowed (0.82 per nine innings vs 1.39). By the career numbers, Keith Comstock 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.