Jack Harper vs. Jose Mercedes — Career Comparison

On the career pitching numbers, Jack Harper posted a stronger line than Jose Mercedes. Jack Harper posted stronger numbers in ERA (3.55 vs 4.75) and WHIP (1.345 vs 1.455). By the career numbers, Jack Harper 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.