Darin Downs vs. Mark Petkovsek — Career Comparison

On the career pitching numbers, Darin Downs posted a stronger line than Mark Petkovsek. Darin Downs posted stronger numbers in WHIP (1.401 vs 1.472) and home runs allowed (0.69 per nine innings vs 1.04). By the career numbers, Darin Downs 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.