Jose Diaz vs. Pat McCoy — Career Comparison

On the career pitching numbers, Pat McCoy posted a stronger line than Jose Diaz. Pat McCoy posted stronger numbers in ERA (3.86 vs 9.39) and home runs allowed (0 per nine innings vs 2.35). By the career numbers, Pat McCoy 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.