Ronald Herrera vs. Paul Sewald — Career Comparison

On the career pitching numbers, Paul Sewald posted a stronger line than Ronald Herrera. Paul Sewald posted stronger numbers in ERA (4.11 vs 6) and WHIP (1.187 vs 1.333). By the career numbers, Paul Sewald 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.