William Brennan vs. Rollie Sheldon — Career Comparison

Looking at the career totals, William Brennan and Rollie Sheldon are fairly close on the surface numbers. Rollie Sheldon posted stronger numbers in ERA (4.09 vs 5.18) and WHIP (1.332 vs 1.849). William Brennan had the advantage in home runs allowed (0.74 per nine innings vs 1.08). By the career numbers, Rollie Sheldon 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.