Rafael Betancourt vs. Don Williams — Career Comparison

On the career pitching numbers, Rafael Betancourt posted a stronger line than Don Williams. Rafael Betancourt posted stronger numbers in ERA (3.36 vs 7.2) and WHIP (1.167 vs 1.700). By the career numbers, Rafael Betancourt 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.