Bill Miller vs. Antonio Ruiz — Career Comparison

On the career pitching numbers, Antonio Ruiz posted a stronger line than Bill Miller. Antonio Ruiz posted stronger numbers in ERA (3.27 vs 13.5) and WHIP (1.453 vs 2.750). By the career numbers, Antonio Ruiz 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.