Ray Narleski vs. Francisco Rosario — Career Comparison

On the career pitching numbers, Ray Narleski posted a stronger line than Francisco Rosario. Ray Narleski posted stronger numbers in ERA (3.6 vs 6.02) and WHIP (1.372 vs 1.824). By the career numbers, Ray Narleski 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.