Jose Diaz vs. Jim Marquis — Career Comparison

Looking at the career totals, Jose Diaz and Jim Marquis are fairly close on the surface numbers. Jim Marquis posted stronger numbers in WHIP (2.455 vs 2.609) and home runs allowed (1.23 per nine innings vs 2.35). Jose Diaz had the advantage in ERA (9.39 vs 9.82). By the career numbers, Jim Marquis 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.