Jimmy Herget vs. Jim Peterson — Career Comparison

On the career pitching numbers, Jimmy Herget posted a stronger line than Jim Peterson. Jimmy Herget posted stronger numbers in ERA (3.17 vs 5.27) and WHIP (1.213 vs 1.665). By the career numbers, Jimmy Herget 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.