Shane Bieber vs. Bill James — Career Comparison

Looking at the career totals, Shane Bieber and Bill James are fairly close on the surface numbers. Bill James posted stronger numbers in ERA (2.28 vs 3.24) and home runs allowed (0.23 per nine innings vs 1.04). Shane Bieber had the advantage in WHIP (1.112 vs 1.233). By the career numbers, Bill James 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.