Adam Peterson vs. José Velásquez — Career Comparison

On the career pitching numbers, José Velásquez posted a stronger line than Adam Peterson. José Velásquez posted stronger numbers in ERA (2.25 vs 5.46) and WHIP (1.250 vs 1.516). By the career numbers, José Velásquez 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.