Oil Can Boyd vs. Frank Stewart — Career Comparison

Looking at the career totals, Oil Can Boyd and Frank Stewart are fairly close on the surface numbers. Oil Can Boyd posted stronger numbers in ERA (4.04 vs 9) and WHIP (1.310 vs 2.250). Frank Stewart had the advantage in home runs allowed (0 per nine innings vs 1.08). By the career numbers, Oil Can Boyd 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.