Justin James vs. Willis Roberts — Career Comparison

Looking at the career totals, Justin James and Willis Roberts are fairly close on the surface numbers. Justin James posted stronger numbers in ERA (4.5 vs 4.64) and home runs allowed (0 per nine innings vs 0.94). Willis Roberts had the advantage in WHIP (1.521 vs 2.750). By the career numbers, Justin James 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.