Rick Anderson vs. Jim Roberts — Career Comparison

Looking at the career totals, Rick Anderson and Jim Roberts are fairly close on the surface numbers. Jim Roberts posted stronger numbers in WHIP (1.899 vs 2.083) and home runs allowed (0.34 per nine innings vs 0.75). Rick Anderson had the advantage in ERA (3.75 vs 7.18). By the career numbers, Jim Roberts 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.