Donovan Osborne vs. Sidney Williams — Career Comparison

Looking at the career totals, Donovan Osborne and Sidney Williams are fairly close on the surface numbers. Donovan Osborne posted stronger numbers in ERA (4.03 vs 4.28) and WHIP (1.328 vs 1.610). Sidney Williams had the advantage in home runs allowed (0.33 per nine innings vs 1.03). By the career numbers, Donovan Osborne 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.