Jacob Lopez vs. Frank Stewart — Career Comparison

Looking at the career totals, Jacob Lopez and Frank Stewart are fairly close on the surface numbers. Jacob Lopez posted stronger numbers in ERA (4.21 vs 9) and WHIP (1.266 vs 2.250). Frank Stewart had the advantage in home runs allowed (0 per nine innings vs 1.33). By the career numbers, Jacob Lopez 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.