Gio Gonzalez vs. Sidney Williams — Career Comparison

Looking at the career totals, Gio Gonzalez and Sidney Williams are fairly close on the surface numbers. Gio Gonzalez posted stronger numbers in ERA (3.7 vs 4.28) and WHIP (1.335 vs 1.610). Sidney Williams had the advantage in home runs allowed (0.33 per nine innings vs 0.8). By the career numbers, Gio Gonzalez 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.