Spencer Arrighetti vs. Mike Fiers — Career Comparison

On the career pitching numbers, Mike Fiers posted a stronger line than Spencer Arrighetti. Mike Fiers posted stronger numbers in ERA (4.07 vs 4.69) and WHIP (1.274 vs 1.409). By the career numbers, Mike Fiers 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.