Andy Boswell vs. Brandon Eisert — Career Comparison

Looking at the career totals, Andy Boswell and Brandon Eisert are fairly close on the surface numbers. Brandon Eisert posted stronger numbers in ERA (4.36 vs 5.91) and WHIP (1.507 vs 1.969). Andy Boswell had the advantage in home runs allowed (0.28 per nine innings vs 1.41). By the career numbers, Brandon Eisert 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.