Yoervis Medina vs. Jim Peterson — Career Comparison

On the career pitching numbers, Yoervis Medina posted a stronger line than Jim Peterson. Yoervis Medina posted stronger numbers in ERA (3.08 vs 5.27) and WHIP (1.432 vs 1.665). By the career numbers, Yoervis Medina 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.