Spencer Arrighetti vs. Drew Pomeranz — Career Comparison

On the career pitching numbers, Drew Pomeranz posted a stronger line than Spencer Arrighetti. Drew Pomeranz posted stronger numbers in ERA (3.82 vs 4.69) and WHIP (1.341 vs 1.409). By the career numbers, Drew Pomeranz 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.