Bobby Herrera vs. Rex Smith — Career Comparison

On the career pitching numbers, Rex Smith posted a stronger line than Bobby Herrera. Rex Smith posted stronger numbers in ERA (5.5 vs 27) and WHIP (2.111 vs 4.286). By the career numbers, Rex Smith 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.