Ben Shields vs. Mauro Zarate — Career Comparison

On the career pitching numbers, Ben Shields posted a stronger line than Mauro Zarate. Ben Shields posted stronger numbers in ERA (8.27 vs 10.8) and WHIP (1.984 vs 2.400). By the career numbers, Ben Shields 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.