Andy Boswell vs. Marcos Diplan — Career Comparison

Looking at the career totals, Andy Boswell and Marcos Diplan are fairly close on the surface numbers. Marcos Diplan posted stronger numbers in ERA (4.04 vs 5.91) and WHIP (1.290 vs 1.969). Andy Boswell had the advantage in home runs allowed (0.28 per nine innings vs 1.51). By the career numbers, Marcos Diplan 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.