Adrian Morejon vs. Frank Rosso — Career Comparison

Looking at the career totals, Adrian Morejon and Frank Rosso are fairly close on the surface numbers. Adrian Morejon posted stronger numbers in ERA (3.43 vs 9) and WHIP (1.243 vs 3.500). Frank Rosso had the advantage in home runs allowed (0 per nine innings vs 0.89). By the career numbers, Adrian Morejon 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.