Spencer Arrighetti vs. Shane Bieber — Career Comparison

On the career pitching numbers, Shane Bieber posted a stronger line than Spencer Arrighetti. Shane Bieber posted stronger numbers in ERA (3.24 vs 4.69) and WHIP (1.112 vs 1.409). By the career numbers, Shane Bieber 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.