Sammy Peralta vs. JoJo Romero — Career Comparison

On the career pitching numbers, JoJo Romero posted a stronger line than Sammy Peralta. JoJo Romero posted stronger numbers in ERA (3.55 vs 5.12) and WHIP (1.261 vs 1.774). By the career numbers, JoJo Romero 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.