Shane Bieber vs. Pol Perritt — Career Comparison

Looking at the career totals, Shane Bieber and Pol Perritt are fairly close on the surface numbers. Pol Perritt posted stronger numbers in ERA (2.89 vs 3.24) and home runs allowed (0.25 per nine innings vs 1.04). Shane Bieber had the advantage in WHIP (1.112 vs 1.229). By the career numbers, Pol Perritt 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.