Joe Roa vs. Ace Williams — Career Comparison

Looking at the career totals, Joe Roa and Ace Williams are fairly close on the surface numbers. Joe Roa posted stronger numbers in ERA (4.94 vs 16) and WHIP (1.538 vs 3.889). Ace Williams had the advantage in home runs allowed (0 per nine innings vs 1.32). By the career numbers, Joe Roa 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.