Carlos Guevara vs. Don Williams — Career Comparison

On the career pitching numbers, Carlos Guevara posted a stronger line than Don Williams. Carlos Guevara posted stronger numbers in ERA (5.84 vs 10.38) and WHIP (1.946 vs 3.231). By the career numbers, Carlos Guevara 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.