Hub Pruett vs. Frank Sullivan — Career Comparison

Looking at the career totals, Hub Pruett and Frank Sullivan are fairly close on the surface numbers. Frank Sullivan posted stronger numbers in ERA (3.6 vs 4.63) and WHIP (1.323 vs 1.627). Hub Pruett had the advantage in home runs allowed (0.34 per nine innings vs 0.77). By the career numbers, Frank Sullivan 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.