John Ewing vs. Mauro Zarate — Career Comparison

On the career pitching numbers, John Ewing posted a stronger line than Mauro Zarate. John Ewing posted stronger numbers in ERA (3.68 vs 10.8) and WHIP (1.420 vs 2.400). By the career numbers, John Ewing 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.