Leyson Septimo vs. Erik Swanson — Career Comparison

Looking at the career totals, Leyson Septimo and Erik Swanson are fairly close on the surface numbers. Erik Swanson posted stronger numbers in ERA (4.2 vs 5.02) and home runs allowed (1.66 per nine innings vs 1.88). Leyson Septimo had the advantage in WHIP (1.047 vs 1.154). By the career numbers, Erik Swanson 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.