Sandy Rosario vs. Ace Williams — Career Comparison

Looking at the career totals, Sandy Rosario and Ace Williams are fairly close on the surface numbers. Sandy Rosario posted stronger numbers in ERA (4.93 vs 16) and WHIP (1.784 vs 3.889). Ace Williams had the advantage in home runs allowed (0 per nine innings vs 0.55). By the career numbers, Sandy Rosario 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.