Dave Roberts vs. Jimmy Zinn — Career Comparison

Looking at the career totals, Dave Roberts and Jimmy Zinn are fairly close on the surface numbers. Dave Roberts posted stronger numbers in ERA (3.78 vs 4.3) and WHIP (1.374 vs 1.572). Jimmy Zinn had the advantage in home runs allowed (0.45 per nine innings vs 0.66). 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.