Jose Mercedes vs. Bill Voiselle — Career Comparison

On the career pitching numbers, Bill Voiselle posted a stronger line than Jose Mercedes. Bill Voiselle posted stronger numbers in ERA (3.83 vs 4.75) and home runs allowed (0.75 per nine innings vs 1.16). By the career numbers, Bill Voiselle 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.