B. J. Rosenberg vs. Aaron Slegers — Career Comparison

On the career pitching numbers, Aaron Slegers posted a stronger line than B. J. Rosenberg. Aaron Slegers posted stronger numbers in ERA (5.46 vs 5.72) and WHIP (1.382 vs 1.571). By the career numbers, Aaron Slegers 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.