Shane Bieber vs. Ernie Koob — Career Comparison

Looking at the career totals, Shane Bieber and Ernie Koob are fairly close on the surface numbers. Ernie Koob posted stronger numbers in ERA (3.13 vs 3.24) and home runs allowed (0.13 per nine innings vs 1.04). Shane Bieber had the advantage in WHIP (1.112 vs 1.348). By the career numbers, Ernie Koob 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.