John Poloni vs. Dave Roberts — Career Comparison

Looking at the career totals, John Poloni and Dave Roberts are fairly close on the surface numbers. Dave Roberts posted stronger numbers in ERA (3.78 vs 6.43) and home runs allowed (0.66 per nine innings vs 1.29). John Poloni had the advantage in WHIP (1.286 vs 1.374). By the career numbers, Dave 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.