Joe Boyle vs. Roy K. Williams — Career Comparison

Looking at the career totals, Joe Boyle and Roy K. Williams are fairly close on the surface numbers. Roy K. Williams had the edge in home runs allowed (0.59 per nine innings vs 0.86). By the career numbers, Roy K. Williams 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.