Calvin Jones vs. Justin Martinez — Career Comparison

On the career pitching numbers, Justin Martinez posted a stronger line than Calvin Jones. Justin Martinez posted stronger numbers in ERA (3.77 vs 4.33) and home runs allowed (0.46 per nine innings vs 0.67). By the career numbers, Justin Martinez 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.