Alek Jacob vs. Leo Mangum — Career Comparison

Looking at the career totals, Alek Jacob and Leo Mangum are fairly close on the surface numbers. Alek Jacob posted stronger numbers in ERA (4.06 vs 5.37) and WHIP (1.216 vs 1.606). Leo Mangum had the advantage in home runs allowed (0.52 per nine innings vs 1.24). By the career numbers, Alek Jacob 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.