William Brennan vs. Frank Stewart — Career Comparison

Looking at the career totals, William Brennan and Frank Stewart are fairly close on the surface numbers. William Brennan posted stronger numbers in ERA (5.18 vs 9) and WHIP (1.849 vs 2.250). Frank Stewart had the advantage in home runs allowed (0 per nine innings vs 0.74). By the career numbers, William Brennan 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.